Actively exploited · Published Mar 31, 2021 · Assigned by vmware

CVE-2021-21975

Critical 9.8 Exploited Ransomware

In plain English

A critical-severity server-side request forgery in VMware vRealize Operations. Attackers are actively exploiting it in the wild (listed by CISA on January 18, 2022). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 78.0% (higher than 99.6% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code. Apply updates per vendor instructions.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)78.0%top 0.4% of all CVEs
Exploited in the wildYesCISA KEV since Jan 18, 2022
Attack tooling3Metasploit, Nuclei, Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Feb 1, 2022.

Official description

Server Side Request Forgery in vRealize Operations Manager API (CVE-2021-21975) prior to 8.4 may allow a malicious actor with network access to the vRealize Operations Manager API can perform a Server Side Request Forgery attack to steal administrative credentials.

Affected products (as reported)

VendorProductVersions
n/a VMware vRealize Operations VMware vRealize Operations prior to 8.4

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References