Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2023-33063

Use After Free in DSP Services

Qualcomm / Snapdragon · 0 to <= *

Watch CVE-2023-33063 Browse KEV feed
Severity
CVSS 7.8 · High
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
0.7%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2023-33063 is Use After Free in DSP Services affecting Qualcomm Snapdragon. Memory corruption in DSP Services during a remote call from HLOS to DSP.

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is confirmed. Listed in CISA KEV.

Who is affected?

Qualcomm / Snapdragon 0 to <= *.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Memory corruption in DSP Services during a remote call from HLOS to DSP

Memory corruption in DSP Services during a remote call from HLOS to DSP.

qualcomm Affected
315_5g_iot_modem_firmware
Through *
qualcomm Affected
apq8017_firmware
Through *
qualcomm Affected
aqt1000_firmware
Through *
qualcomm Affected
ar8031_firmware
Through *
qualcomm Affected
ar8035_firmware
Through *
qualcomm Affected
ar9380_firmware
Through *
qualcomm Affected
c-v2x_9150_firmware
Through *
qualcomm Affected
csr8811_firmware
Through *
qualcomm Affected
csra6620_firmware
Through *
qualcomm Affected
csra6640_firmware
Through *
qualcomm Affected
csrb31024_firmware
Through *
qualcomm Affected
fastconnect_6200_firmware
Through *
qualcomm Affected
fastconnect_6700_firmware
Through *
qualcomm Affected
fastconnect_6800_firmware
Through *
qualcomm Affected
fastconnect_6900_firmware
Through *
qualcomm Affected
fastconnect_7800_firmware
Through *
qualcomm Affected
flight_rb5_5g_platform_firmware
Through *
qualcomm Affected
immersive_home_214_platform_firmware
Through *
qualcomm Affected
immersive_home_216_platform_firmware
Through *
qualcomm Affected
immersive_home_316_platform_firmware
Through *
qualcomm Affected
immersive_home_318_platform_firmware
Through *
qualcomm Affected
ipq4018_firmware
Through *
qualcomm Affected
ipq4019_firmware
Through *
qualcomm Affected
ipq4028_firmware
Through *
qualcomm Affected
ipq4029_firmware
Through *
qualcomm Affected
ipq5010_firmware
Through *
qualcomm Affected
ipq6010_firmware
Through *
qualcomm Affected
ipq6018_firmware
Through *
qualcomm Affected
ipq6028_firmware
Through *
qualcomm Affected
ipq8064_firmware
Through *
qualcomm Affected
ipq8065_firmware
Through *
qualcomm Affected
ipq8068_firmware
Through *
qualcomm Affected
ipq8070_firmware
Through *
qualcomm Affected
ipq8070a_firmware
Through *
qualcomm Affected
ipq8071a_firmware
Through *
qualcomm Affected
ipq8072a_firmware
Through *
qualcomm Affected
ipq8074a_firmware
Through *
qualcomm Affected
ipq8076_firmware
Through *
qualcomm Affected
ipq8076a_firmware
Through *
qualcomm Affected
ipq8078_firmware
Through *
qualcomm Affected
ipq8078a_firmware
Through *
qualcomm Affected
ipq8173_firmware
Through *
qualcomm Affected
ipq8174_firmware
Through *
qualcomm Affected
mdm9650_firmware
Through *
qualcomm Affected
qam8255p_firmware
Through *
qualcomm Affected
qam8295p_firmware
Through *
qualcomm Affected
qam8650p_firmware
Through *
qualcomm Affected
qam8775p_firmware
Through *
qualcomm Affected
qca4024_firmware
Through *
qualcomm Affected
qca6174a_firmware
Through *
qualcomm Affected
qca6310_firmware
Through *
qualcomm Affected
qca6320_firmware
Through *
qualcomm Affected
qca6335_firmware
Through *
qualcomm Affected
qca6391_firmware
Through *
qualcomm Affected
qca6420_firmware
Through *
qualcomm Affected
qca6421_firmware
Through *
qualcomm Affected
qca6426_firmware
Through *
qualcomm Affected
qca6430_firmware
Through *
qualcomm Affected
qca6431_firmware
Through *
qualcomm Affected
qca6436_firmware
Through *
qualcomm Affected
qca6564_firmware
Through *
qualcomm Affected
qca6564au_firmware
Through *
qualcomm Affected
qca6574_firmware
Through *
qualcomm Affected
qca6574a_firmware
Through *
qualcomm Affected
qca6574au_firmware
Through *
qualcomm Affected
qca6595_firmware
Through *
qualcomm Affected
qca6595au_firmware
Through *
qualcomm Affected
qca6696_firmware
Through *
qualcomm Affected
qca6698aq_firmware
Through *
qualcomm Affected
qca6797aq_firmware
Through *
qualcomm Affected
qca7500_firmware
Through *
qualcomm Affected
qca8075_firmware
Through *
qualcomm Affected
qca8081_firmware
Through *
qualcomm Affected
qca8337_firmware
Through *
qualcomm Affected
qca9377_firmware
Through *
qualcomm Affected
qca9880_firmware
Through *
qualcomm Affected
qca9886_firmware
Through *
qualcomm Affected
qca9888_firmware
Through *
qualcomm Affected
qca9889_firmware
Through *
qualcomm Affected
qca9898_firmware
Through *
qualcomm Affected
qca9980_firmware
Through *
qualcomm Affected
qca9984_firmware
Through *
qualcomm Affected
qca9985_firmware
Through *
qualcomm Affected
qca9990_firmware
Through *
qualcomm Affected
qca9992_firmware
Through *
qualcomm Affected
qca9994_firmware
Through *
qualcomm Affected
qcm2290_firmware
Through *
qualcomm Affected
qcm4290_firmware
Through *
qualcomm Affected
qcm4325_firmware
Through *
qualcomm Affected
qcm4490_firmware
Through *
qualcomm Affected
qcm5430_firmware
Through *
qualcomm Affected
qcm6125_firmware
Through *
qualcomm Affected
qcm6490_firmware
Through *
qualcomm Affected
qcn5022_firmware
Through *
qualcomm Affected
qcn5024_firmware
Through *
qualcomm Affected
qcn5052_firmware
Through *
qualcomm Affected
qcn5122_firmware
Through *
qualcomm Affected
qcn5124_firmware
Through *
qualcomm Affected
qcn5152_firmware
Through *
qualcomm Affected
qcn5154_firmware
Through *
qualcomm Affected
qcn5164_firmware
Through *
qualcomm Affected
qcn6023_firmware
Through *
qualcomm Affected
qcn6024_firmware
Through *
qualcomm Affected
qcn9000_firmware
Through *
qualcomm Affected
qcn9011_firmware
Through *
qualcomm Affected
qcn9012_firmware
Through *
qualcomm Affected
qcn9022_firmware
Through *
qualcomm Affected
qcn9024_firmware
Through *
qualcomm Affected
qcn9070_firmware
Through *
qualcomm Affected
qcn9072_firmware
Through *
qualcomm Affected
qcn9074_firmware
Through *
qualcomm Affected
qcn9100_firmware
Through *
qualcomm Affected
qcs2290_firmware
Through *
qualcomm Affected
qcs410_firmware
Through *
qualcomm Affected
qcs4290_firmware
Through *
qualcomm Affected
qcs4490_firmware
Through *
qualcomm Affected
qcs5430_firmware
Through *
qualcomm Affected
qcs610_firmware
Through *
qualcomm Affected
qcs6125_firmware
Through *
qualcomm Affected
qcs6490_firmware
Through *
qualcomm Affected
qcs7230_firmware
Through *
qualcomm Affected
qcs8155_firmware
Through *
qualcomm Affected
qcs8250_firmware
Through *
qualcomm Affected
qcs8550_firmware
Through *
qualcomm Affected
qrb5165m_firmware
Through *
qualcomm Affected
qrb5165n_firmware
Through *
qualcomm Affected
qsm8250_firmware
Through *
qualcomm Affected
qualcomm_205_mobile_platform_firmware
Through *
qualcomm Affected
qualcomm_215_mobile_platform_firmware
Through *
qualcomm Affected
qualcomm_video_collaboration_vc1_platform_firmware
Through *
qualcomm Affected
qualcomm_video_collaboration_vc3_platform_firmware
Through *
qualcomm Affected
qualcomm_video_collaboration_vc5_platform_firmware
Through *
qualcomm Affected
robotics_rb3_platform_firmware
Through *
qualcomm Affected
robotics_rb5_platform_firmware
Through *
qualcomm Affected
sa4150p_firmware
Through *
qualcomm Affected
sa4155p_firmware
Through *
qualcomm Affected
sa6145p_firmware
Through *
qualcomm Affected
sa6150p_firmware
Through *
qualcomm Affected
sa6155_firmware
Through *
qualcomm Affected
sa6155p_firmware
Through *
qualcomm Affected
sa8145p_firmware
Through *
qualcomm Affected
sa8150p_firmware
Through *
qualcomm Affected
sa8155_firmware
Through *
qualcomm Affected
sa8155p_firmware
Through *
qualcomm Affected
sa8195p_firmware
Through *
qualcomm Affected
sa8255p_firmware
Through *
qualcomm Affected
sa8295p_firmware
Through *
qualcomm Affected
sa8770p_firmware
Through *
qualcomm Affected
sa8775p_firmware
Through *
qualcomm Affected
sa9000p_firmware
Through *
qualcomm Affected
sd_675_firmware
Through *
qualcomm Affected
sd_8_gen1_5g_firmware
Through *
qualcomm Affected
sd626_firmware
Through *
qualcomm Affected
sd660_firmware
Through *
qualcomm Affected
sd670_firmware
Through *
qualcomm Affected
sd675_firmware
Through *
qualcomm Affected
sd730_firmware
Through *
qualcomm Affected
sd835_firmware
Through *
qualcomm Affected
sd855_firmware
Through *
qualcomm Affected
sd865_5g_firmware
Through *
qualcomm Affected
sd888_firmware
Through *
qualcomm Affected
sdm429w_firmware
Through *
qualcomm Affected
sdx55_firmware
Through *
qualcomm Affected
sg4150p_firmware
Through *
qualcomm Affected
sg8275p_firmware
Through *
qualcomm Affected
sm4125_firmware
Through *
qualcomm Affected
sm6250_firmware
Through *
qualcomm Affected
sm7250p_firmware
Through *
qualcomm Affected
sm7315_firmware
Through *
qualcomm Affected
sm7325p_firmware
Through *
qualcomm Affected
sm8550p_firmware
Through *
qualcomm Affected
smart_audio_400_platform_firmware
Through *
qualcomm Affected
snapdragon_210_processor_firmware
Through *
qualcomm Affected
snapdragon_212_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_4_gen_1_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_4_gen_2_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_425_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_429_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_439_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_460_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_480_5g_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_625_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_626_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_632_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_660_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_662_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_665_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_670_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_675_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_680_4g_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_690_5g_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_695_5g_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_710_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_720g_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_750g_5g_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_778g_5g_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_780g_5g_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_8_gen_1_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_8_gen_2_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_820_automotive_platform_firmware
Through *
qualcomm Affected
snapdragon_835_mobile_pc_platform_firmware
Through *
qualcomm Affected
snapdragon_845_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_855_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_865_5g_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_888_5g_mobile_platform_firmware
Through *
qualcomm Affected
snapdragon_ar2_gen_1_platform_firmware
Through *
qualcomm Affected
snapdragon_auto_5g_modem-rf_firmware
Through *
qualcomm Affected
snapdragon_x12_lte_modem_firmware
Through *
qualcomm Affected
snapdragon_x24_lte_modem_firmware
Through *
qualcomm Affected
snapdragon_x50_5g_modem-rf_system_firmware
Through *
qualcomm Affected
snapdragon_x55_5g_modem-rf_system_firmware
Through *
qualcomm Affected
snapdragon_x65_5g_modem-rf_system_firmware
Through *
qualcomm Affected
snapdragon_xr1_platform_firmware
Through *
qualcomm Affected
snapdragon_xr2_5g_platform_firmware
Through *
qualcomm Affected
snapdragon_auto_4g_modem_firmware
Through *
qualcomm Affected
ssg2115p_firmware
Through *
qualcomm Affected
ssg2125p_firmware
Through *
qualcomm Affected
sw5100_firmware
Through *
qualcomm Affected
sw5100p_firmware
Through *
qualcomm Affected
sxr1120_firmware
Through *
qualcomm Affected
sxr1230p_firmware
Through *
qualcomm Affected
sxr2130_firmware
Through *
qualcomm Affected
sxr2230p_firmware
Through *
qualcomm Affected
vision_intelligence_300_platform_firmware
Through *
qualcomm Affected
vision_intelligence_400_platform_firmware
Through *
qualcomm Affected
wcd9326_firmware
Through *
qualcomm Affected
wcd9335_firmware
Through *
qualcomm Affected
wcd9340_firmware
Through *
qualcomm Affected
wcd9341_firmware
Through *
qualcomm Affected
wcd9360_firmware
Through *
qualcomm Affected
wcd9370_firmware
Through *
qualcomm Affected
wcd9371_firmware
Through *
qualcomm Affected
wcd9375_firmware
Through *
qualcomm Affected
wcd9380_firmware
Through *
qualcomm Affected
wcd9385_firmware
Through *
qualcomm Affected
wcd9390_firmware
Through *
qualcomm Affected
wcd9395_firmware
Through *
qualcomm Affected
wcn3610_firmware
Through *
qualcomm Affected
wcn3615_firmware
Through *
qualcomm Affected
wcn3620_firmware
Through *
qualcomm Affected
wcn3660b_firmware
Through *
qualcomm Affected
wcn3680_firmware
Through *
qualcomm Affected
wcn3680b_firmware
Through *
qualcomm Affected
wcn3910_firmware
Through *
qualcomm Affected
wcn3950_firmware
Through *
qualcomm Affected
wcn3980_firmware
Through *
qualcomm Affected
wcn3988_firmware
Through *
qualcomm Affected
wcn3990_firmware
Through *
qualcomm Affected
wcn6740_firmware
Through *
qualcomm Affected
wsa8810_firmware
Through *
qualcomm Affected
wsa8815_firmware
Through *
qualcomm Affected
wsa8830_firmware
Through *
qualcomm Affected
wsa8832_firmware
Through *
qualcomm Affected
wsa8835_firmware
Through *
qualcomm Affected
wsa8840_firmware
Through *
qualcomm Affected
wsa8845_firmware
Through *
qualcomm Affected
wsa8845h_firmware
Through *
Qualcomm, Inc. Affected
Snapdragon
315 5G IoT Modem APQ8017 AQT1000 AR8031 AR8035 AR9380 C-V2X 9150 CSR8811 CSRA6620 CSRA6640 CSRB31024 FastConnect 6200 FastConnect 6700 FastConnect 6800 FastConnect 6900 FastConnect 7800 Flight RB5 5G Platform Immersive Home 214 Platform Immersive Home 216 Platform Immersive Home 316 Platform Immersive Home 318 Platform IPQ4018 IPQ4019 IPQ4028 IPQ4029 IPQ5010 IPQ6010 IPQ6018 IPQ6028 IPQ8064 IPQ8065 IPQ8068 IPQ8070 IPQ8070A IPQ8071A IPQ8072A IPQ8074A IPQ8076 IPQ8076A IPQ8078 IPQ8078A IPQ8173 IPQ8174 MDM9650 QAM8255P QAM8295P QAM8650P QAM8775P QCA4024 QCA6174A QCA6310 QCA6320 QCA6335 QCA6391 QCA6420 QCA6421 QCA6426 QCA6430 QCA6431 QCA6436 QCA6564 QCA6564AU QCA6574 QCA6574A QCA6574AU QCA6595 QCA6595AU QCA6696 QCA6698AQ QCA6797AQ QCA7500 QCA8075 QCA8081 QCA8337 QCA9377 QCA9880 QCA9886 QCA9888 QCA9889 QCA9898 QCA9980 QCA9984 QCA9985 QCA9990 QCA9992 QCA9994 QCM2290 QCM4290 QCM4325 QCM4490 QCM5430 QCM6125 QCM6490 QCN5022 QCN5024 QCN5052 QCN5122 QCN5124 QCN5152 QCN5154 QCN5164 QCN6023 QCN6024 QCN9000 QCN9011 QCN9012 QCN9022 QCN9024 QCN9070 QCN9072 QCN9074 QCN9100 QCS2290 QCS410 QCS4290 QCS4490 QCS5430 QCS610 QCS6125 QCS6490 QCS7230 QCS8155 QCS8250 QCS8550 QRB5165M QRB5165N QSM8250 Qualcomm 205 Mobile Platform Qualcomm 215 Mobile Platform Qualcomm Video Collaboration VC1 Platform Qualcomm Video Collaboration VC3 Platform Qualcomm Video Collaboration VC5 Platform Robotics RB3 Platform Robotics RB5 Platform SA4150P SA4155P SA6145P SA6150P SA6155 SA6155P SA8145P SA8150P SA8155 SA8155P SA8195P SA8255P SA8295P SA8770P SA8775P SA9000P SD 675 SD 8 Gen1 5G SD626 SD660 SD670 SD675 SD730 SD835 SD855 SD865 5G SD888 SDM429W SDX55 SG4150P SG8275P SM4125 SM6250 SM7250P SM7315 SM7325P SM8550P Smart Audio 400 Platform Smart Display 200 Platform (APQ5053-AA) Snapdragon 210 Processor Snapdragon 212 Mobile Platform Snapdragon 4 Gen 1 Mobile Platform Snapdragon 4 Gen 2 Mobile Platform Snapdragon 425 Mobile Platform Snapdragon 429 Mobile Platform Snapdragon 439 Mobile Platform Snapdragon 460 Mobile Platform Snapdragon 480 5G Mobile Platform Snapdragon 480+ 5G Mobile Platform (SM4350-AC) Snapdragon 625 Mobile Platform Snapdragon 626 Mobile Platform Snapdragon 632 Mobile Platform Snapdragon 660 Mobile Platform Snapdragon 662 Mobile Platform Snapdragon 665 Mobile Platform Snapdragon 670 Mobile Platform Snapdragon 675 Mobile Platform Snapdragon 678 Mobile Platform (SM6150-AC) Snapdragon 680 4G Mobile Platform Snapdragon 685 4G Mobile Platform (SM6225-AD) Snapdragon 690 5G Mobile Platform Snapdragon 695 5G Mobile Platform Snapdragon 710 Mobile Platform Snapdragon 720G Mobile Platform Snapdragon 730 Mobile Platform (SM7150-AA) Snapdragon 730G Mobile Platform (SM7150-AB) Snapdragon 732G Mobile Platform (SM7150-AC) Snapdragon 750G 5G Mobile Platform Snapdragon 765 5G Mobile Platform (SM7250-AA) Snapdragon 765G 5G Mobile Platform (SM7250-AB) Snapdragon 768G 5G Mobile Platform (SM7250-AC) Snapdragon 778G 5G Mobile Platform Snapdragon 778G+ 5G Mobile Platform (SM7325-AE) Snapdragon 780G 5G Mobile Platform Snapdragon 782G Mobile Platform (SM7325-AF) Snapdragon 7c+ Gen 3 Compute Snapdragon 8 Gen 1 Mobile Platform Snapdragon 8 Gen 2 Mobile Platform Snapdragon 8+ Gen 1 Mobile Platform Snapdragon 8+ Gen 2 Mobile Platform Snapdragon 820 Automotive Platform Snapdragon 835 Mobile PC Platform Snapdragon 845 Mobile Platform Snapdragon 855 Mobile Platform Snapdragon 855+/860 Mobile Platform (SM8150-AC) Snapdragon 865 5G Mobile Platform Snapdragon 865+ 5G Mobile Platform (SM8250-AB) Snapdragon 870 5G Mobile Platform (SM8250-AC) Snapdragon 888 5G Mobile Platform Snapdragon 888+ 5G Mobile Platform (SM8350-AC) Snapdragon AR2 Gen 1 Platform Snapdragon Auto 5G Modem-RF Snapdragon W5+ Gen 1 Wearable Platform Snapdragon Wear 4100+ Platform Snapdragon X12 LTE Modem Snapdragon X24 LTE Modem Snapdragon X50 5G Modem-RF System Snapdragon X55 5G Modem-RF System Snapdragon X65 5G Modem-RF System Snapdragon XR1 Platform Snapdragon XR2 5G Platform Snapdragon XR2+ Gen 1 Platform Snapdragon Auto 4G Modem SSG2115P SSG2125P SW5100 SW5100P SXR1120 SXR1230P SXR2130 SXR2230P Vision Intelligence 100 Platform (APQ8053-AA) Vision Intelligence 200 Platform (APQ8053-AC) Vision Intelligence 300 Platform Vision Intelligence 400 Platform WCD9326 WCD9335 WCD9340 WCD9341 WCD9360 WCD9370 WCD9371 WCD9375 WCD9380 WCD9385 WCD9390 WCD9395 WCN3610 WCN3615 WCN3620 WCN3660B WCN3680 WCN3680B WCN3910 WCN3950 WCN3980 WCN3988 WCN3990 WCN6740 WSA8810 WSA8815 WSA8830 WSA8832 WSA8835 WSA8840 WSA8845 WSA8845H
Published
05 Dec 2023
Exploitation Reported
05 Dec 2023
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None

Tags

cisa

CVE References

Exploitation evidence

Why Previdian marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 05 Dec 2023

A trusted third party reported exploitation.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

Learn about Pro API access
Source Added
CISA First 2023-12-05 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts
0
0
0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

7.8 High

Potential damage if exploited. Separate from whether attackers are using it.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.7%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Use After Free CWE-416

Timeline

From disclosure to observed exploitation

  1. 03:04 UTC

    CVE published

    Vulnerability disclosed publicly

  2. 00:00 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  3. 09:28 UTC

    CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

Start 14-day Pro trial Read API docs
  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2023-33063

Sample API response 
{
  "cve_id": "CVE-2023-33063",
  "confidence": "Confirmed",
  "cvss_score": 7.8,
  "cvss_estimated": false,
  "epss_score": 0.00672,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}