CVE-2025-41252

Summary

Description: VMware NSX contains a username enumeration vulnerability. An unauthenticated malicious actor may exploit this to enumerate valid usernames, potentially leading to unauthorized access attempts.

Impact: Username enumeration → facilitates unauthorized access.

Attack Vector: Remote, unauthenticated.

Severity: Important.

CVSSv3: 7.5 (High).

Acknowledgments: Reported by the National Security Agency.

Affected Products:

  • VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x

  • NSX-T 3.x

  • VMware Cloud Foundation (with NSX) 5.x, 4.5.x

Fixed Versions: 

  • NSX 9.0.1.0; 4.2.2.2/4.2.3.1 http://4.2.2.2/4.2.3.1 ; 4.1.2.7; NSX-T 3.2.4.3; CCF async patch (KB88287).

Workarounds: None.

Affected Software

VendorProductVersion RangeStatus
VMwareNSXVMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.xaffected
VMwareNSXVMware NSX-T 3.xaffected
VMwareNSXVMware Cloud Foundation (with NSX) 5.x, 4.5.xaffected
VMwareNSXVMware NSX 9.0.1.0; 4.2.2.2/4.2.3.1; 4.1.2.7; NSX-T 3.2.4.3; CCF async patch (KB88287)unaffected

Weaknesses

  • CWE-203: CWE-203 Observable Discrepancy

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References