High severity · published Sep 29, 2025
CVE-2025-41251
Weak password recovery vulnerability
8.1
CVSS
0.8%
EPSS
No
On KEV
Description
VMware NSX contains a weak password recovery mechanism vulnerability. An unauthenticated malicious actor may exploit this to enumerate valid usernames, potentially enabling brute-force attacks.
Impact: Username enumeration → credential brute force risk.
Attack Vector: Remote, unauthenticated.
Severity: Important.
CVSSv3: 8.1 (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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NS
NSX · vmware
VMware NSX - 9.x.x.x, 4.2.x, 4.1.x, 4.0.x; VMware NSX-T - 3.x; VMware Cloud Foundation (with NSX) - 5.x, 4.5.x · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-41251
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-41251
support.broadcom.com
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150
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