CVE-2024-5217: in the CISA KEV catalogue
ServiceNow Incomplete List of Disallowed Inputs Vulnerability. CISA added CVE-2024-5217 to the Known Exploited Vulnerabilities catalogue on 2024-07-29 with a default due date of 2024-08-19. Known ransomware campaign use: Unknown. Forensic triage flag: No.
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. (CISA description)
- Vendor / product
- ServiceNow Utah, Vancouver, and Washington DC Now Platform
- CWE
- CWE-184
- CISA required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- EPSS
- 100%, percentile 99 (scored 2026-11-03)
EPSS puts nearly every time in 100 odds (100%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 99% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.
Vendor and reference links (from CISA)
Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.
Frequently asked questions
Is CVE-2024-5217 in the CISA KEV catalogue?
Yes. CISA added CVE-2024-5217 (ServiceNow Incomplete List of Disallowed Inputs Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2024-07-29. CISA's default due date for it is 2024-08-19.
Is CVE-2024-5217 used in ransomware attacks?
CISA marks known ransomware campaign use as Unknown for CVE-2024-5217. That means CISA lacks confirmation, not that ransomware groups do not use it.
What should I do about CVE-2024-5217?
CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Sources
- CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
- FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
- NVD record for CVE-2024-5217