Applied Cybernetics Group Sat, Nov 7, 2026 · data 12:17Z
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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
99.6th percentile (score 0.780, as of 2026-11-06)
NVD CVSS v3.1
7.5 (HIGH)
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.

NVD 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.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.