Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2015-3043

Flash Player Denial of Service

Adobe / Flash Player

Watch CVE-2015-3043 Browse KEV feed
Severity
CVSS 9.8 · Critical
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
73.9%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2015-3043 is an unauthenticated vulnerability affecting Adobe Flash Player. Adobe Flash Player before 13.0.0.281 and 14.x through 17.x before 17.0.0.169 on Windows and OS X and before 11.2.202.457 on Linux allows...

Is it exploited?

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

Who is affected?

Adobe / Flash Player.

What should we do?

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

Overview

Flash Player Denial of Service

Adobe Flash Player before 13.0.0.281 and 14.x through 17.x before 17.0.0.169 on Windows and OS X and before 11.2.202.457 on Linux allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, as exploited in the wild in April 2015, a different vulnerability than CVE-2015-0347, CVE-2015-0350, CVE-2015-0352, CVE-2015-0353, CVE-2015-0354, CVE-2015-0355, CVE-2015-0360, CVE-2015-3038, CVE-2015-3041, and CVE-2015-3042.

View vendor advisory (opens in new tab)
Published
14 Apr 2015
Exploitation Reported
03 Mar 2022
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

metasploit linux windows cisa

CVE References

  • CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2015-3043
  • openSUSE-SU-2015:0718 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00010...
  • SUSE-SU-2015:0722 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00011...
  • GLSA-201504-07 security.gentoo.org · Vendor Advisory https://security.gentoo.org/glsa/201504-07
  • RHSA-2015:0813 rhn.redhat.com · Vendor Advisory http://rhn.redhat.com/errata/RHSA-2015-0813.html
  • openSUSE-SU-2015:0725 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00013...
  • SUSE-SU-2015:0723 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00012...
  • 37536 exploit-db.com · Exploit https://www.exploit-db.com/exploits/37536/
  • 74062 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/74062
  • 1032105 securitytracker.com · VDB Entry http://www.securitytracker.com/id/1032105
  • helpx.adobe.com/security/products/flash-player/apsb15-06.html helpx.adobe.com · CVE Record https://helpx.adobe.com/security/products/flash-player/apsb15-06.html

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 03 Mar 2022

A trusted third party reported exploitation.

Known exploited vulnerability sources

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

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Source Added
CISA First 2022-03-03 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.

Virtual patch status

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

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Metasploit https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/adobe_flash_nellymoser_bof.rb 28 Apr 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

9.8 Critical

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

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

EPSS

73.9%

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

Weaknesses

Out-of-bounds Write CWE-787

All CVSS Scores

CVSS v3.1 9.8 Critical

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

CVSS v2.0 10.0 High

AV:N/AC:L/Au:N/C:C/I:C/A:C

Timeline

From disclosure to observed exploitation

  1. 15:02 UTC

    Metasploit module available

    Exploit module available

  2. 00:00 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  3. 22:00 UTC

    CVE published

    Vulnerability disclosed publicly

  4. 00:00 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.

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  • 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-2015-3043

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2015-3043",
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "cvss_estimated": false,
  "epss_score": 0.73862,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}