What’s Vulnerable › Vulnerabilities
CVE-2024-42455
- Severity: high (CVSS 8.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 15.8% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-12-04 · updated 2026-06-17
- Weakness: CWE-306
Description
A vulnerability in Veeam Backup & Replication allows a low-privileged user to connect to remoting services and exploit insecure deserialization by sending a serialized temporary file collection. This exploit allows the attacker to delete any file on the system with service account privileges. The vulnerability is caused by an insufficient blacklist during the deserialization process.
Affected products
- Veeam Backup & Replication: from 12.0.0.1402 before 12.3.0.310 — fixed in 12.3.0.310
How to fix
Upgrade to a fixed version: Veeam Backup & Replication 12.3.0.310. Check the vendor advisory for mitigations.
References
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