Actively exploited in the wild
VMware Server Side Request Forgery in vRealize Operations Manager API
VMware - vRealize Operations Manager API · Listed in the CISA KEV since 2022-01-18. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2021-21975
HighCVSS 7.5KEVExploitation Probability (EPSS)
Very high risk100th percentile - higher than 100% of all known CVEs
Summary
A Server Side Request Forgery (SSRF) vulnerability in vRealize Operations Manager API prior to 8.4 may allow a malicious actor with network access to the API to perform an SSRF attack to steal administrative credentials.
Risk Assessment
An attacker could steal administrative credentials, potentially leading to full compromise of vRealize Operations Manager and security breach of managed infrastructure.
Recommendation
Update vRealize Operations Manager to version 8.4 or later, which includes a fix, and restrict network access to the API.
Original NVD description (English source)
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.