CVE-2025-41252
highpriority · track · 0EPSS 0.007 · 52 %ileDEEUNLRUEPSS · scored 2026-10-26
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (31)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0301Kwetsbaarheden verholpen in VMware NSXNL2025-09-30csaf · ncsc_nlNL
VMware heeft kwetsbaarheden verholpen in VMware NSX
- WID-SEC-W-2025-2155VMware Cloud Foundation, vSphere, vCenter Server und NSX: Mehrere SchwachstellenDeutsch2025-09-29csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in VMware Cloud Foundation, VMware vSphere, VMware vCenter Server und VMware NSX ausnutzen, um Dateien zu manipulieren und gültige Benutzernamen offenzulegen, wodurch Brute-Force-Angriffe und unbefugter Zugriff ermöglicht werden könnten.
also known as (5)
Other names and identifiers for this entity.
sources
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references (4)
External citations — patches, advisories, analysis.
- https://https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150Patchcnnvd
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150cnnvd
- https://https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150enisa_euvd
- https://https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150nvd
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