Vulnerability report

Active exploitation observed Confirmed confidence In CISA KEV

CVE-2024-4879

Jelly Template Injection Vulnerability in ServiceNow UI Macros

ServiceNow / Now Platform · affected before utah_patch_10_hot_fix_3

Watch CVE-2024-4879 Browse KEV feed
Severity
CVSS 9.3 · Critical
Confidence
Confirmed
Exploit status
Observed in sensors
EPSS
100.0%
First observed
23 Jul 2026
Last observed
16 Oct 2026

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2024-4879 is an unauthenticated Jelly Template Injection Vulnerability in ServiceNow UI Macros. ServiceNow has addressed an input validation vulnerability that was identified in Vancouver and Washington DC Now...

Is it exploited?

Yes. Previdian sensors observed exploitation attempts with confirmed confidence. Listed in CISA KEV.

Who is affected?

ServiceNow / Now Platform affected before utah_patch_10_hot_fix_3.

What should we do?

Patch immediately, validate internet-facing exposure, and monitor for matching requests.

Overview

Jelly Template Injection Vulnerability in ServiceNow UI Macros

ServiceNow has addressed an input validation vulnerability that was identified in Vancouver and Washington DC Now Platform releases. This vulnerability could enable an unauthenticated user to remotely execute code within the context of the Now Platform. ServiceNow applied an update to hosted instances, and ServiceNow released the update to our partners and self-hosted customers.

Listed below are the patches and hot fixes that address the vulnerability. If you have not done so already, we recommend applying security patches relevant to your instance as soon as possible.

servicenow Affected
servicenow
Before utah_patch_10_hot_fix_3 Before utah_patch_10a_hot_fix_2 Before vancouver_patch_6_hot_fix_2 Before vancouver_patch_7_hot_fix_3b Before vancouver_patch_8_hot_fix_4 Before vancouver_patch_9 Before vancouver_patch_10 Before washington_dc_patch_1_hot_fix_2b Before washington_dc_patch_2_hot_fix_2 Before washington_dc_patch_3_hot_fix_1 Before washington_dc_patch_4
ServiceNow Affected
Now Platform
Before Utah Patch 10 Hot Fix 3 Before Utah Patch 10a Hot Fix 2 Before Vancouver Patch 6 Hot Fix 2 Before Vancouver Patch 7 Hot Fix 3b Before Vancouver Patch 8 Hot Fix 4 Before Vancouver Patch 9 Before Vancouver Patch 10 Before Washington DC Patch 1 Hot Fix 2b Before Washington DC Patch 2 Hot Fix 2 Before Washington DC Patch 3 Hot Fix 1 Before Washington DC Patch 4
Published
10 Jul 2024
Exploitation Reported
29 Jul 2024
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

cisa nessus_scanner nuclei_scanner

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 29 Jul 2024

A trusted third party reported exploitation.

Active exploitation observed

Previdian sensor

First observed 23 Jul 2026

Previdian first observed exploitation attempts targeting this vulnerability in our honeypot sensors.

Proof of concept available

GitHub

Recorded 16 Jul 2024

Public scanner or PoC coverage increases practical exploitability.

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 2024-07-29 00:00 UTC
Previdian Sensors 2026-08-19 08:35 UTC

Operational indicators for this CVE are listed under Detection.

Sensor telemetry

First-party evidence of exploitation activity

Previdian sensors recorded exploitation attempts targeting this vulnerability. The cards and chart show volume, unique attackers, and daily activity.

75

Attempts observed

43

Unique attacker IPs

12

Attacker countries

BG · CH · DE · ES · FR · HK · IN · JP · NO · PT · US · YE

10

Sensors observed

CVE-2024-4879 exploitation attempts over the last 88 days

Daily events observed by Previdian sensors

Updated 17 Oct 2026

0
3
0
0
0
0
0
0
6
0
0
0
0
0
1
0
0
0
1
0
0
0
0
1
0
0
0
4
2
3
0
2
0
0
0
1
0
2
0
0
0
0
0
0
0
0
0
0
0
2
1
0
0
3
0
4
0
4
0
0
3
4
1
3
0
0
0
3
0
0
3
3
6
1
0
0
0
1
2
2
0
0
0
0
0
0
3
0
22 Jul 9 Aug 27 Aug 14 Sep 17 Oct

First observed 23 Jul 2026 · Last observed 16 Oct 2026

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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
7
31
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 →

Attacker IP Indicators

Attacker IP indicators observed · available in Pro and Enterprise.

Sensor-derived attacker IP indicators are available to Pro and Enterprise accounts under Detection and through the Pro API.

Learn about Pro API access

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-4879.yaml 25 Apr 2025
Nessus https://www.tenable.com/plugins/nessus/214850 31 Jan 2025

Risk and context

Severity, weaknesses, and research context

CVSS v4.0

9.3 Critical

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

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS

100.0%

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

Weaknesses

Improper Validation of Specified Type of Input CWE-1287

All CVSS Scores

CVSS v4.0 9.3 Critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

ServiceNow UI Macros - Template Injection

nuclei · Created Unknown

Timeline

From disclosure to observed exploitation

  1. 21:47 UTC

    Indicators of compromise added (43)

    Indicators of compromise recorded

  2. 21:47 UTC

    Observed by Previdian sensors

    Evidence-backed exploitation signal

  3. 14:20 UTC

    Public PoC available

    Public proof-of-concept code published

  4. 00:00 UTC

    Nuclei template available

    Scanner coverage available

  5. 19:12 UTC

    Nessus plugin available

    Scanner coverage available

  6. 00:00 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  7. 16:16 UTC

    CVE published

    Vulnerability disclosed publicly

  8. 17:39 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-2024-4879

Sample API response 
{
  "cve_id": "CVE-2024-4879",
  "confidence": "Confirmed",
  "cvss_score": 9.3,
  "cvss_estimated": false,
  "epss_score": 0.99976,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": true
  },
  "sensor_telemetry": { "attempts": 75, "sensors": 10 }
}