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

Actively-exploited vulnerability intelligence · Sentinel APEX™ live threat feed
HIGH severity🔴 Actively Exploited · CISA KEV
🔴 CVE-2021-21975 is being actively exploited in the wild. Check if your infrastructure is exposed: ⚡ Free Exposure Scan

Overview

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.

Vulnerability details

CVE ID
CVE-2021-21975
Vulnerability
VMware Server Side Request Forgery in vRealize Operations Manager API
Vendor
VMware
Affected products
VMware: vRealize Operations Manager API
Severity
HIGH
Exploitation status
Actively exploited in the wild (CISA KEV)
Published
2022-01-18

Remediation guidance

CVE-2021-21975 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.

Apply the vendor's official security update for VMware the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.

Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.

Authoritative references

Remediate CVE-2021-21975 — and stay ahead of the next one

CVE-2021-21975 is listed in the CISA KEV catalog as actively exploited — treat remediation as urgent. Scan your domain free to see whether CVE-2021-21975 and other VMware issues affect you and get a prioritized remediation report (full report from ₹999) — or stream the full feed of 1,600+ actively-exploited CVEs straight into your SOC.

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