January 18, 2022 · Applied Cybernetics Group
CVE-2021-21975 — VMware vRealize Operations Manager API
known ransomware use
VMware Server Side Request Forgery in vRealize Operations Manager API
- Added to KEV
2022-01-18- Federal due date
2022-02-01- Vendor
- VMware
- Product
- vRealize Operations Manager API
- EPSS
- 99.5th percentile (score 0.783, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- ATT&CK
- T1190 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-21975
CISA short description
Server Side Request Forgery (SSRF) in vRealize Operations Manager API prior to 8.4 may allow a malicious actor with network access to the vRealize Operations Manager API to perform a SSRF attack to steal administrative credentials.
Required action
Apply updates per vendor instructions.