Vulnerability · CVE-2021-21975
VMware Server Side Request Forgery in vRealize Operations Manager API
Published Mar 31, 2021 · catalog updated Oct 2, 2026 · VMware vRealize Operations Manager API
Patch now
CVE-2021-21975 is in the CISA known-exploited catalog, due Feb 1, 2022. Confirm VMware vRealize Operations Manager API against the vendor advisory and apply that fix. The CVSS score does not change the priority.
- Severity
- High7.5
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 78.00%
- Remediation
- Remediation guidance
- Affected products
- cpe vmware/cloud foundation · vendor VMware 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. Initial-access exploit intelligence.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe vmware/cloud foundation3.0
- cpe vmware/cloud foundation3.0.1
- cpe vmware/cloud foundation3.0.1.1
- cpe vmware/cloud foundation3.5
- cpe vmware/cloud foundation3.5.1
- cpe vmware/cloud foundation3.7
- cpe vmware/cloud foundation3.7.1
- cpe vmware/cloud foundation3.7.2
- vendor VMware vRealize Operations Manager APIversion unspecified
How to fix CVE-2021-21975
Recommended remediation
Apply updates per vendor instructions. CISA due date Feb 1, 2022.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2021-21975 is in the CISA known-exploited catalog, due Feb 1, 2022. Confirm VMware vRealize Operations Manager API against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Compare what you have installed with vmware/cloud foundation 3.0; vmware/cloud foundation 3.0.1; vmware/cloud foundation 3.0.1.1; vmware/cloud foundation 3.5. Apply updates per vendor instructions.
What should an analyst verify?
CWE-918: Server-Side Request Forgery (SSRF). EPSS 78.00%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 31, 2021 · Catalog
Detected
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.
Jan 18, 2022 · CISA KEV
Known exploited
Apply updates per vendor instructions.
Feb 1, 2022 · CISA KEV
Remediation due
Apply updates per vendor instructions.
Oct 2, 2026 · Catalog
Updated
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.
Sources
- CISA KEVConfirmed exploitationCVE-2021-21975
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.gov - CVE.orgVulnerability recordCVE-2021-21975
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2021-21975
30-day exploitation probability 78.0%
first.org - Metasploit ModulesPublic exploit moduleexploit_linux/http/vmware_vrops_mgr_ssrf_rce
Public module reference (excellent). Module source is not copied into this catalog.
rapid7.com - NIST NVDVulnerability recordCVE-2021-21975
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.
nvd.nist.gov - Packet Storm SecurityCited reference/packetstormsecurity.com/files/162349/VMware-vRealize-Operations-Manager-Server-Side-Request-Forgery-Code-Execution.html
Packet Storm link already published on the finding.
packetstormsecurity.com - VulnCheck KEVConfirmed exploitationCVE-2021-21975
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.
vulncheck.com
References
- Exploit · packetstormsecurity.com
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- CISA note · nvd.nist.gov
- VulnCheck exploitation evidence · unit42.paloaltonetworks.com
- VulnCheck exploitation evidence · vblocalhost.com
- US Government Resource · cisa.gov
- VulnCheck exploitation evidence · cisa.gov
- Vendor Advisory · vmware.com
Freshness
Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.