CVE-2024-4879
ServiceNow Improper Input Validation Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 19 August 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
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.
- CVSS 4.0
- 9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 99.98% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · first 11 August 2025
- CISA KEV
- Listed 29 July 2024 · due 19 August 2024
- Weakness
- CWE-1287
- Affected
- servicenow/servicenow
- Source
- psirt@servicenow.com
EPSS 100.0% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1645154; https://nvd.nist.gov/vuln/detail/CVE-2024-4879
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1644293Permissions Required
- https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1645154Vendor Advisory
- https://www.darkreading.com/cloud-security/patchnow-servicenow-critical-rce-bugs-active-exploitPress/Media Coverage, Third Party Advisory
- https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1644293Permissions Required
- https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1645154Vendor Advisory
- https://www.darkreading.com/cloud-security/patchnow-servicenow-critical-rce-bugs-active-exploitPress/Media Coverage, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4879US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.