CVE-2021-21975
Published: January 18, 2022
Official 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.
CISA KEV Advisory
VMware Server Side Request Forgery in vRealize Operations Manager API
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.
Apply updates per vendor instructions.
Risk Analysis
VMware vRealize Operations Manager API is vulnerable to Server Side Request Forgery (SSRF), allowing attackers to steal administrative credentials. This is a HIGH severity vulnerability with a high EPSS score of 0.94390, indicating a high likelihood of exploitation. CISA has confirmed its exploitation in the KEV catalog.
Active exploitation of this vulnerability has been observed in the wild. Attackers with network access to the vRealize Operations Manager API can perform this SSRF attack remotely.
Organizations using vRealize Operations Manager should upgrade to version 8.4 or later. Implement network segmentation and strong access controls to limit exposure of the API.
Technical Analysis
CVE-2021-21975 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2021-21975 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-21975 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1