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TI-2025-27493 Aliases CVE-2025-41246GHSA-8c4m-2wpp-9qmh

Improper authorisation vulnerability

Priority LOW 35CWE-863Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
High
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

VMware Tools for Windows contains an improper authorisation vulnerability due to the way it handles user access controls. A malicious actor with non-administrative privileges on a guest VM, who is already authenticated through vCenter or ESX may exploit this issue to access other guest VMs. Successful exploitation requires knowledge of credentials of the targeted VMs and vCenter or ESX.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00288 21st percentileScored 2026-11-07
Fix Fixed Tools (VMware): 13.0.5.0, 12.5.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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
VMwareTools13.x.x.x to before 13.0.5.0; 12.x.x to before 12.5.4; 11.x.x13.0.5.0, 12.5.4Patch availableCNA
  • Tools VendorVMware Affected 13.x.x.x to before 13.0.5.0; 12.x.x to before 12.5.4; 11.x.x Fixed in 13.0.5.0, 12.5.4 Patch available CNA

Remediation

  • Fix · CNA Tools (VMware) Fixed in 13.0.5.0, 12.5.4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-41246
  2. 2026-10-03 Alias added: GHSA-8c4m-2wpp-9qmh

References

  • TI-2026-42442 vCenter directory-traversal vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-26040 Privilege escalation in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-26039 Heap-overflow in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-24610 Out-of-bounds write in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-16914 VMware vCenter Server Out-of-Bounds Write Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-07303 Command injection in Aria Operations for Networks KEVCVSS 3.1CRITICAL 9.8
See all 1181 →

Sources