CVE-2021-21976 Command injection in vSphere Replication
An authenticated admin can execute arbitrary commands remotely in VMware vSphere Replication, requiring an upgrade to patched versions.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-21976?
CVE-2021-21976 is a high-severity command injection vulnerability in vSphere Replication, published on 11 Feb 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
vSphere Replication 8.3.x prior to 8.3.1.2, 8.2.x prior to 8.2.1.1, 8.1.x prior to 8.1.2.3 and 6.5.x prior to 6.5.1.5 contain a post-authentication command injection vulnerability which may allow an authenticated admin user to perform a remote code execution.
Weakness: CWE-78
Which versions are affected by CVE-2021-21976?
It affects 1 product.
Products include Vmware Vsphere Replication.
How do I fix CVE-2021-21976?
No fix has been published for CVE-2021-21976 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-21976 being exploited?
There is no known exploitation of CVE-2021-21976 in the wild and no public exploit code.
Sources
Also known as GHSA-wcgq-jgx4-vjfw.