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Actively exploited · Published Jul 10, 2024 · Assigned by SN

CVE-2024-5217Incomplete Input Validation in GlideExpression Script

Critical 9.8 Exploited

In plain English

A critical-severity security flaw in Now Platform from ServiceNow. Attackers are actively exploiting it in the wild (listed by CISA on July 29, 2024). The chance it is exploited in the next 30 days is estimated at 99.6% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei, public proof-of-concept code. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)99.6%top 0.1% of all CVEs
Exploited in the wildYesCISA KEV since Jul 29, 2024
Attack tooling2Nuclei, Public PoC

CISA guidance

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

Federal agencies must remediate by Aug 19, 2024.

Official description

ServiceNow has addressed an input validation vulnerability that was identified in the Washington DC, Vancouver, and earlier Now Platform releases. This vulnerability could enable an unauthenticated user to remotely execute code within the context of the Now Platform. The vulnerability is addressed in the listed patches and hot fixes below, which were released during the June 2024 patching cycle. If you have not done so already, we recommend applying security patches relevant to your instance as soon as possible.

Affected products (as reported)

VendorProductVersions
ServiceNow Now Platform 0 – before Utah Patch 10 Hot Fix 30 – before Utah Patch 10a Hot Fix 20 – before Utah Patch 10b Hot Fix 10 – before Vancouver Patch 6 Hot Fix 20 – before Vancouver Patch 7 Hot Fix 3b0 – before Vancouver Patch 8 Hot Fix 40 – before Vancouver Patch 9 Hot Fix 10 – before Vancouver Patch 10

Weakness: CWE-184 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References