Veeam Backup and Replication Deserialization Vulnerability
A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 5 / 5
- KEV catalog (CISA)17 Oct 2024
- Exploited in EUVD (ENISA)17 Oct 2024
- Used by ransomwareyes
- EPSS above 10 %90.4%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Affected products
- 12.1.2 ≤12.1.2
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
-
Exploitation reported (ENISA)
-
Added to the KEV catalog
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CISA remediation due date
-
EPSS peak: 90.4%
References
Other exploited vulnerabilities from the same vendor
- CVE-2023-27532Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function Vulnerability8.4 · Background exploitation
- CVE-2022-26501Veeam Backup & Replication Remote Code Execution Vulnerability6.4 · Background exploitation
- CVE-2022-26500Veeam Backup & Replication Remote Code Execution Vulnerability5.5 · Background exploitation