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CVE-2021-21975: VMware Server Side Request Forgery in vRealize Operations Manager API

criticalknown exploitedpublic exploitCVE-2021-21975
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: VMwareproduct: vRealize Operations ManagerServer-side request forgeryaffected: prior to 8.4
What
Server Side Request Forgery (SSRF) in vRealize Operations Manager API may allow a malicious actor to steal administrative credentials.
Who is affected
Users of vRealize Operations Manager prior to version 8.4 are affected.
Urgency
Remediation is critical due to active exploitation of the vulnerability.
Action
Upgrade to vRealize Operations Manager version 8.4 or later.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-01-18
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-21975

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-21975coverage & exploitation statusNVD · CVE.org

Recent advisories for VMware Server Side

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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