CVE-2021-21981 Privilege escalation in VMware NSX-T

High 7.8 Published Updated

Attackers with local guest access can escalate privileges via RBAC flaws in VMware NSX-T, requiring immediate patching.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-21981?

CVE-2021-21981 is a high-severity vulnerability in VMware NSX-T, published on 19 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

VMware NSX-T contains a privilege escalation vulnerability due to an issue with RBAC (Role based access control) role assignment. Successful exploitation of this issue may allow attackers with local guest user account to assign privileges higher than their own permission level.

Weakness: CWE-269

Which versions are affected by CVE-2021-21981?

It affects 1 product.

Products include Broadcom Vmware Nsx-T Data Center.

How do I fix CVE-2021-21981?

No fix has been published for CVE-2021-21981 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-21981 being exploited?

There is no known exploitation of CVE-2021-21981 in the wild and no public exploit code.

Sources

Also known as GHSA-q6cx-mp3v-659q.

Is CVE-2021-21981 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free