CVE-2021-21975
Actively exploited. CVE-2021-21975 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-01-18) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2021-21975 is indexed in Metasploit, GitHub PoC and Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
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
- 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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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2021-21975 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- MetasploitA Metasploit Framework module targets this CVE — weaponized, point-and-click exploitation.look it up ↗
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
- NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2021-21975: VMware Server Side Request Forgery in vRealize Operations Manager APIcisa-kev · 2022-01-18
External references
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[](https://www.csirts.com/cve/CVE-2021-21975)