← CVE catalog

CVE-2021-21975

High CVSS 7.5 Known exploited

Published 2021-03-31 · last changed 2026-08-12 · added to CISA KEV 2022-01-18

This one is being exploited in the wild.

CISA added CVE-2021-21975 to the Known Exploited Vulnerabilities catalog on 2022-01-18. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2021-21975, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

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.

Sources

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