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TI-2024-27107 Aliases CVE-2024-40711GHSA-c76v-gjqc-j462

Deserialization of untrusted data in Veeam Backup and Recovery

Priority CRITICAL 100Exploited in the wildCWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-502.

Summary

A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).

Why it matters now

Exploitation Active In CISA KEV since 2024-10-17CISA due date 2024-11-07Known ransomware use
EPSS 0.90369 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
VeeamBackup and Recovery12.1.2 – 12.1.2—No fix listedCNA
  • Backup and Recovery VendorVeeam Affected 12.1.2 – 12.1.2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:*12.0.0.1420 to before 12.2.0.334VulnerableVeeam
  • cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:* Versions 12.0.0.1420 to before 12.2.0.334 Vulnerable ·Veeam

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2024-10-17 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2024-40711
  3. 2026-10-03 Alias added: GHSA-c76v-gjqc-j462

References

Exploit 1

Advisory 1

  • TI-2022-09844 Veeam Backup & Replication 10.x and 11.x has Incorrect Access Control (issue 1 of 2). KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09843 Improper limitation of path names in Veeam Backup & Replication 9.5U3, 9.5U4,10.x, and… KEVCVSS 3.1HIGH 8.8
  • TI-2023-12256 Missing authentication in Veeam Backup & Replication KEVCVSS 3.1HIGH 7.5
  • TI-2024-19623 Veeam Backup Enterprise Manager allows unauthenticated users to log in as any user to enterprise manager web interface. CVSS 3.0CRITICAL 9.8
  • TI-2025-16913 A vulnerability allowing remote code execution (RCE) on the Backup Server by an authenticated domain user CVSS 3.1HIGH 8.8
  • TI-2025-16912 A vulnerability allowing remote code execution (RCE) for domain users. CVSS 3.1HIGH 8.8
See all 41 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences