On 2024-10-17, CISA added CVE-2024-40711 (Veeam Backup & Replication) to its Known Exploited Vulnerabilities (KEV) Catalog [2]. The vulnerability is listed in the catalog as "Veeam Backup and Replication Deserialization Vulnerability" [2]. CISA requires remediation in accordance with vendor mitigation instructions; see the original text in the body for specific requirements [2].
Backfill: this event became public on Oct 17, 2024 and we added it on Nov 10, 2026. It is not a new event.
CISA Adds Veeam Backup & Replication Vulnerability CVE-2024-40711 to Known Exploited Vulnerabilities Catalog
1 min read
- Disclosed
- Oct 17, 2024
- Published
- Nov 10, 2026
- Last updated
- Nov 8, 2026
- CVSS basis
- Our assessment
- 90.4%, higher than 100% of CVEs
- Exploitation and patch status
- ExploitedKEV
- Attack vector
- Vulnerability status
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Government, Cross-industry
What to do nowOur advice
CISA requires remediation in accordance with vendor mitigation instructions; see the original text in the body for specific requirements [2]
Timeline
Technical details
CISA KEV Listing Record
On 2024-10-17, CISA added CVE-2024-40711 to the catalog for Veeam Backup & Replication [2].
Original Technical Description
Veeam Backup and Replication contains a deserialization vulnerability allowing an unauthenticated user to perform . [2]
Official Requirements
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. [2]
Individual Vulnerability Record
The U.S. National Vulnerability Database (NVD) provides an independent vulnerability record and description for CVE-2024-40711. [1]
References
Official / primary3
- [1]
“A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).”
- [2]CISA2024-10-17Accessed 2026-11-07
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