Actively exploited · Published Jan 31, 2024 · Assigned by hackerone
CVE-2024-21893
High 8.2 Exploited Ransomware
In plain English
A high-severity server-side request forgery in ICS from Ivanti. Attackers are actively exploiting it in the wild (listed by CISA on January 31, 2024). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 100.0% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA guidance
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Feb 2, 2024.
Official description
A server-side request forgery vulnerability in the SAML component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) and Ivanti Neurons for ZTA allows an attacker to access certain restricted resources without authentication.
Affected products (as reported)
Weakness: CWE-918 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N