HOMEVULNERABILITIESCVE-2021-21975
HIGHCISA KEVIN THE WILD

CVE-2021-21975

Published: January 18, 2022

EPSS:94.39%probability of exploitation in 30 daysPercentile:100.0th

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.

NVD Source

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.

Added to KEV: 2022-01-18Federal patch deadline: 2022-02-01⚠ USED IN RANSOMWARE CAMPAIGNS
Required Action (CISA)

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.

Recommended Action

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.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

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

ACTIVE EXPLOITATIONConfirmed exploitation in the wild
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All References (1)

Quick Facts

CVE IDCVE-2021-21975
SeverityHIGH
CISA KEVYES — Active Exploitation
ExploitIN THE WILD
EPSS (30d)94.39%
PublishedJan 18, 2022

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
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.