CVE-2022-26503 Deserialization in n/a
Local attackers can execute arbitrary code with system privileges via unsafe deserialization in Veeam Agent for Windows.
- 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-2022-26503?
CVE-2022-26503 is a high-severity unsafe deserialization vulnerability in n/a, published on 17 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Deserialization of untrusted data in Veeam Agent for Windows 2.0, 2.1, 2.2, 3.0.2, 4.x, and 5.x allows local users to run arbitrary code with local system privileges.
Weakness: CWE-502
Which versions are affected by CVE-2022-26503?
It affects 1 product.
Products include Veeam Veeam.
How do I fix CVE-2022-26503?
No fix has been published for CVE-2022-26503 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2022-26503 being exploited?
There is no known exploitation of CVE-2022-26503 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-fx7m-48gf-38cm.