Is CVE-2024-4879 in the CISA KEV catalog?

Yes. CVE-2024-4879 is on the CISA Known Exploited Vulnerabilities list, added 2024-07-29.

What is the CVSS severity of CVE-2024-4879?

CVE-2024-4879 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2024-4879?

CVE-2024-4879 has an EPSS score of 99.98% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2024-4879?

No published fix for CVE-2024-4879 has been found yet. It is on the CISA Known Exploited Vulnerabilities list; federal agencies must remediate by 2024-08-19. Apply the vendor's mitigations per CISA's guidance.

CVE & CISA-KEV Catalog

CVE-2024-4879

CRITICALCISA KEVEPSS 100th pctl

9.8

CVSS v3

NVD

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.

CWE-1287Improper Validation of Specified Type of Input

How to fix

Actively exploited, no published fix found yet

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Federal remediation due: 2024-08-19

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

99.98%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

ServiceNow Improper Input Validation Vulnerability

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.

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Remediation due: 2024-08-19

References

Vendor Advisory1

support.servicenow.com

Third-Party Advisory1

darkreading.com

Government Resource1

cisa.gov

Other references1

support.servicenow.com

Related Vulnerabilities

Other CWE-1287 (Improper Validation of Specified Type of Input) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-31007	Medium	4.9	26%	-	Fix
CVE-2024-6298	Critical	10.0	19%	-	-
CVE-2026-25639	High	7.5	2.5%	-	Fix
CVE-2021-43802	Critical	9.9	2.0%	-	Fix
CVE-2024-51550	Critical	10.0	1.8%	-	Fix
CVE-2026-5946	High	7.5	1.8%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.