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

Exploited in the wild Critical 9.8 Published 31 Mar 2021 Updated 1 Oct 2026

Attackers with network access can exploit SSRF in the API to steal administrative credentials, requiring an upgrade to vRealize Operations Manager.

Exploited in the wild: Since 18 Jan 2022
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-21975?

CVE-2021-21975 is a critical server-side request forgery vulnerability in Vmware Cloud Foundation, published on 31 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-918

Which versions are affected by CVE-2021-21975?

It affects 3 products.

Products include Vmware Cloud Foundation, Vmware Vrealize Operations Manager, Vmware Vrealize Suite Lifecycle Manager.

How do I fix CVE-2021-21975?

No fix has been published for CVE-2021-21975 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 1 Feb 2022.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2021-21975 being exploited?

Yes. Attackers have exploited CVE-2021-21975 in the wild since at least 18 Jan 2022, including in ransomware campaigns.

Public exploit code: 1 Metasploit module, 1 Nuclei template and 8 proofs of concept on GitHub.

All Vmware Cloud Foundation vulnerabilities

Sources

Also known as GHSA-px27-325w-m34c.