Assessment
Why it matters
CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 78.3%; technical severity is CVSS 7.5.
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.
Who should care
- Teams operating Cloud Foundation, Vrealize Operations Manager, vRealize Operations Manager API +1 more
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Cloud Foundation, Vrealize Operations Manager, vRealize Operations Manager API +1 more is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- Apply updates per vendor instructions.
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Vendor remediation
Patch and remediation links
Use the vendor source below to confirm the correct fixed version, package or mitigation for your affected product.
Technical details
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CWE
- CWE-918
- Affected versions
- VMware Cloud Foundation (Version: 4.0.1); VMware Vrealize Operations Manager (Version: 8.3.0); VMware vRealize Operations Manager API; VMware Vrealize Suite Lifecycle Manager (Version: 8.2)
- Published
- 31 March 2021
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
Signal timeline
- CVE published
- Added to CISA KEV
- Latest EPSS score: 78.3%
- Signal calculated at 83