CVE-2024-40711A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).
Updated under an hour ago ()
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It affects Veeam Backup and Recovery and 2 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Oct 17, 2024; federal agencies had to remediate by Nov 7, 2024, and it is known to be used in ransomware. Treat that date as your deadline.
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A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).
- CVSS
- 9.8 CRITICAL (v3.0, CNA)CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-502
- Known exploited
- Added to CISA KEV Oct 17, 2024; federal remediation due Nov 7, 2024; known ransomware useApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 90.37% (percentile 100)
- Assigned by
- hackerone
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.