CVE-2024-40711
Veeam Backup and Replication Deserialization Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 7 November 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 90.37% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 17 October 2024 · due 7 November 2024 · used in ransomware campaigns
- Weakness
- CWE-502
- Affected
- veeam/veeam backup \& replication
- Source
- support@hackerone.com
EPSS 90.4% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://www.veeam.com/kb4649 ; https://nvd.nist.gov/vuln/detail/CVE-2024-40711
References
- https://www.veeam.com/kb4649Vendor Advisory
- https://labs.watchtowr.com/veeam-backup-response-rce-with-auth-but-mostly-without-auth-cve-2024-40711-2/Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-40711US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.