CVE-2024-4879
ServiceNow Improper Input Validation Vulnerability
ServiceNow Utah, Vancouver, and Washington DC Now Platform
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.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 29 July 2024. US federal agencies were required to remediate it by 19 August 2024.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 100%, which is higher than 99.9% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2024-4879 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2024-4879.
What does CVE-2024-4879 affect?
CVE-2024-4879 affects ServiceNow Utah, Vancouver, and Washington DC Now Platform. 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.
How severe is CVE-2024-4879?
CVE-2024-4879 is rated CRITICAL with a CVSS base score of 9.8. EPSS puts the probability of exploitation in the next 30 days at 100%, higher than 99.9% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 19 August 2024.
How should organisations respond to CVE-2024-4879?
Apply the vendor patch for ServiceNow Utah, Vancouver, and Washington DC Now Platform as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.