Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2024-5217

Incomplete Input Validation in GlideExpression Script

ServiceNow / Now Platform · affected before utah_patch_10_hot_fix_3

Severity
CVSS 9.2 · Critical
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
99.6%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2024-5217 is an unauthenticated Incomplete Input Validation in GlideExpression Script affecting ServiceNow Now Platform. ServiceNow has addressed an input validation vulnerability that was identified in the...

Is it exploited?

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

Who is affected?

ServiceNow / Now Platform affected before utah_patch_10_hot_fix_3.

What should we do?

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

Overview

Incomplete Input Validation in GlideExpression Script

ServiceNow has addressed an input validation vulnerability that was identified in the Washington DC, Vancouver, and earlier Now Platform releases. This vulnerability could enable an unauthenticated user to remotely execute code within the context of the Now Platform. The vulnerability is addressed in the listed patches and hot fixes below, which were released during the June 2024 patching cycle.

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 utah_patch_10b_hot_fix_1 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_hot_fix_1 Before vancouver_patch_10 Before washington_dc_patch_1_hot_fix_3b Before washington_dc_patch_2_hot_fix_2 Before washington_dc_patch_3_hot_fix_2 Before washington_dc_patch_4 Before washington_dc_patch_5
ServiceNow Affected
Now Platform
Before Utah Patch 10 Hot Fix 3 Before Utah Patch 10a Hot Fix 2 Before Utah Patch 10b Hot Fix 1 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 Hot Fix 1 Before Vancouver Patch 10 Before Washington DC Patch 1 Hot Fix 3b Before Washington DC Patch 2 Hot Fix 2 Before Washington DC Patch 3 Hot Fix 2 Before Washington DC Patch 4 Before Washington DC Patch 5
Published
10 Jul 2024
Exploitation Reported
29 Jul 2024
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

nessus_scanner nuclei_scanner 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 29 Jul 2024

A trusted third party reported exploitation.

Proof of concept available

Nuclei Templates

Recorded 12 Jun 2026

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

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.

Risk and context

Severity, weaknesses, and research context

CVSS v4.0

9.2 Critical

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

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

EPSS

99.6%

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

All CVSS Scores

CVSS v4.0 9.2 Critical

CVSS:4.0/AV:N/AC:L/AT:P/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.

Timeline

From disclosure to observed exploitation

  1. 14:20 UTC

    Public PoC available

    Public proof-of-concept code published

  2. 00:00 UTC

    Nuclei template available

    Scanner coverage available

  3. 00:00 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  4. 16:28 UTC

    CVE published

    Vulnerability disclosed publicly

  5. 18:36 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.

  • 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-2024-5217

Sample API response
{
  "cve_id": "CVE-2024-5217",
  "confidence": "Confirmed",
  "cvss_score": 9.2,
  "cvss_estimated": false,
  "epss_score": 0.99628,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}