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TI-2025-43884 Aliases CVE-2025-64392GHSA-r23p-vwcm-9rwv

Cross-site scripting in Veeam Backup Enterprise Manager

Priority LOW 22CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Veeam Backup Enterprise Manager from 12 before 12.3.2.4934 contains a cross-site scripting flaw (CWE-79) in its web portal. An attacker can run script in the browser of a portal user who opens a crafted link, and the attack requires low privileges and user interaction.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

This vulnerability in Veeam Backup Enterprise Manager allows an attacker to execute script in the browser of a portal user who opens a crafted link.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00338 27th percentileScored 2026-11-07
Fix Fixed Backup Enterprise Manager (Veeam): 12.3.2.4934

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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 Enterprise Manager12 to before 12.3.2.493412.3.2.4934Patch availableCNA
  • Backup Enterprise Manager VendorVeeam Affected 12 to before 12.3.2.4934 Fixed in 12.3.2.4934 Patch available CNA

Remediation

Update Veeam Backup Enterprise Manager to version 12.3.2.4934 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA Backup Enterprise Manager (Veeam) Fixed in 12.3.2.4934

Timeline

  1. 2026-10-07 Threatist record created from CVE-2025-64392
  2. 2026-10-07 Alias added: GHSA-r23p-vwcm-9rwv
  3. 2026-10-07 CISA SSVC decision points changed

References

Other 1

  • TI-2024-27107 Deserialization of untrusted data in Veeam Backup and Recovery KEVCVSS 3.1CRITICAL 9.8
  • 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-2020-08796 Deserialization of untrusted data in Veeam One Agent CVSS 3.1CRITICAL 9.8
  • 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
See all 119 →

Sources

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