CVE-2025-21120 Missing authorization in Avamar Server
A low-privileged remote attacker can exploit improper HTTP permission handling in Dell Avamar to expose sensitive information.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-21120?
CVE-2025-21120 is a high-severity missing authorization vulnerability in Dell Avamar Server, published on 4 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Dell Avamar, versions prior to 19.10 SP1 with patch 338904, contains a Trusting HTTP Permission Methods on the Server-Side vulnerability in Security. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Information exposure.
Weakness: CWE-650
Which versions are affected by CVE-2025-21120?
It affects 1 product.
Products include Dell Avamar.
How do I fix CVE-2025-21120?
No fix has been published for CVE-2025-21120 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-21120 being exploited?
There is no known exploitation of CVE-2025-21120 in the wild and no public exploit code.
Sources
Also known as GHSA-qjvg-gx5p-355w.