CVEs / CVE-2024-5217

CVE-2024-5217: ServiceNow Incomplete List of Disallowed Inputs Vulnerability

• Known exploited in the CISA KEV catalog since 29 Jul 2024
• critical 9.8 CVSS 3.1 (NVD)
• EPSS 99.6% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
• Last changed at its sources 17 Jun 2026

Summary

ServiceNow Washington DC, Vancouver, and earlier Now Platform releases contain an incomplete list of disallowed inputs vulnerability in the GlideExpression script. An unauthenticated user could exploit this vulnerability to execute code remotely.

Description

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.

Affected and fixed versions

Exploitation

Severity

References

• CVE-2024-5217 on NVD
• CVE-2024-5217 in the CISA KEV catalog
• https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1648313 (cited by CISA)
• https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1644293 Permissions Required
• https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1648313 Vendor Advisory
• https://www.darkreading.com/cloud-security/patchnow-servicenow-critical-rce-bugs-active-exploit Press/Media Coverage
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-5217 US Government Resource