Security Digest · Vulnerability record · Known exploited
CVE-2024-4879: ServiceNow Improper Input Validation Vulnerability
Exploited in the wild (CISA KEV). ServiceNow has addressed an input validation vulnerability that was identified in Vancouver and Washington DC Now Platform releases.
CISA KEV · added 2024-07-29 CVSS 9.3 Critical EPSS 100.0% · p100.0
Should you act?
Exploited: patch now if you run it
CISA has confirmed exploitation in the wild. This signal is computed from CISA KEV, EPSS and CVSS data; it is not an editorial verdict.
- Yes, if you run ServiceNow Utah, Vancouver, and Washington DC Now Platform. CISA added this CVE to its Known Exploited Vulnerabilities catalog on 2024-07-29, which means there is reliable evidence of exploitation in the wild. US federal agencies must remediate by 2024-08-19; treat that as the outer limit, not the target.
- EPSS 100.0%, percentile 100.0: FIRST’s model estimates a 100.0% chance of exploitation activity in the next 30 days, higher than 100.0% of all scored CVEs (very high). EPSS is a probability, not a verdict.
- Remotely reachable with no login and no user interaction. If the vulnerable service is exposed to the internet, prioritize it.
What it is
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.
CISA’s summary
ServiceNow Utah, Vancouver, and Washington DC Now Platform releases contain a jelly template injection vulnerability in UI macros. An unauthenticated user could exploit this vulnerability to execute code remotely.
Weakness type: CWE-1287.
Product: ServiceNow Utah, Vancouver, and Washington DC Now Platform · Assigned by: SN · Published: 2024-07-10
Affected and fixed versions
| Vendor | Product | Affected versions (per CVE record) |
|---|---|---|
| ServiceNow | Now Platform | < Utah Patch 10 Hot Fix 3, < Utah Patch 10a Hot Fix 2, < Vancouver Patch 6 Hot Fix 2, < Vancouver Patch 7 Hot Fix 3b, < Vancouver Patch 8 Hot Fix 4, < Vancouver Patch 9, < Vancouver Patch 10, < Washington DC Patch 1 Hot Fix 2b, < Washington DC Patch 2 Hot Fix 2, < Washington DC Patch 3 Hot Fix 1… |
Severity scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| SN | 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| SN | 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- Attack vector: network (remotely reachable)
- Attack complexity: low
- Attack requirements: none
- Privileges required: none (no login)
- User interaction: none
CVSS measures how bad a flaw is if exploited, not how likely exploitation is. Read it next to the exploitation data below.
Exploitation and urgency
- CISA KEV: added 2024-07-29; federal due date 2024-08-19. Known ransomware use: Unknown.
- CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- CISA SSVC assessment: exploitation active, automatable yes, technical impact total.
- FIRST EPSS (model of 2026-10-21): 99.98% probability of exploitation activity in the next 30 days; percentile 100.0.
Timeline
- — CVE record published by SN
- — Added to CISA’s Known Exploited Vulnerabilities catalog
- — CISA remediation deadline for US federal agencies
- — CVE record last updated
Sources and references
Original sources first. Version and fix details should always be confirmed against the vendor or project advisory.
Vendor and project advisories, patches
- Listed in CISA KEV notes (support.servicenow.com) support.servicenow.com
Vulnerability records
- CVE.org record CVE-2024-4879 cve.org
- NVD entry CVE-2024-4879 nvd.nist.gov
Government
Other references from the CVE record and advisory
- support.servicenow.com support.servicenow.com
- darkreading.com darkreading.com
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