{"id":"CVE-2025-41251","aliases":["EUVD-2025-31600","GHSA-5vpj-22hp-chfg"],"status":"published","title":"Weak password recovery vulnerability","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.\n\nImpact: Username enumeration → credential brute force risk.\nAttack Vector: Remote, unauthenticated.\nSeverity: Important.\nCVSSv3: 8.1 (High).\n\nAcknowledgments: Reported by the National Security Agency.\n\nAffected Products:VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x\n\nNSX-T 3.x\nVMware Cloud Foundation (with NSX) 5.x, 4.5.x\n\nFixed 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).\nWorkarounds: None.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00827,"percentile":0.57784,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-640"],"published":"2025-09-29T18:45:16Z","modified":"2026-10-09T09:10:00Z","products":[{"vendor":"vmware","product":"nsx"}],"references":[{"url":"https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-41251"},{"url":"https://github.com/advisories/GHSA-5vpj-22hp-chfg"}],"sources":{"cve":[{"id":"CVE-2025-41251","title":"Weak password recovery vulnerability","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.\n\nImpact: Username enumeration → credential brute force risk.\nAttack Vector: Remote, unauthenticated.\nSeverity: Important.\nCVSSv3: 8.1 (High).\n\nAcknowledgments: Reported by the National Security Agency.\n\nAffected Products:VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x\n\nNSX-T 3.x\nVMware Cloud Foundation (with NSX) 5.x, 4.5.x\n\nFixed 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).\nWorkarounds: None.","status":"published","published":"2025-09-29T18:45:16.614Z","modified":"2026-02-26T17:47:50.851Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-640"],"updated_at":"2026-11-02T14:32:31.631102Z"}],"euvd":[{"id":"EUVD-2025-31600","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.\n\nImpact: Username enumeration → credential brute force risk.\nAttack Vector: Remote, unauthenticated.\nSeverity: Important.\nCVSSv3: 8.1 (High).\n\nAcknowledgments: Reported by the National Security Agency.\n\nAffected Products:VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x\n\nNSX-T 3.x\nVMware Cloud Foundation (with NSX) 5.x, 4.5.x\n\nFixed 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).\nWorkarounds: None.","status":"published","published":"2025-09-29T18:45:16Z","modified":"2026-02-26T17:47:50Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:48:22.96585Z"}],"ghsa":[{"id":"GHSA-5vpj-22hp-chfg","title":"VMware NSX contains a weak password recovery mechanism vulnerability. An unauthenticated...","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.\n\nImpact: Username enumeration → credential brute force risk.\nAttack Vector: Remote, unauthenticated.\nSeverity: Important.\nCVSSv3: 8.1 (High).\n\nAcknowledgments: Reported by the National Security Agency.\n\nAffected Products:VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x\n\nNSX-T 3.x\nVMware Cloud Foundation (with NSX) 5.x, 4.5.x\n\nFixed 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).\nWorkarounds: None.","status":"published","published":"2025-09-29T21:30:26Z","modified":"2025-09-29T21:30:33Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-640"],"updated_at":"2026-11-02T15:03:48.54074Z"}],"nvd":[{"id":"CVE-2025-41251","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.\n\nImpact: Username enumeration → credential brute force risk.\nAttack Vector: Remote, unauthenticated.\nSeverity: Important.\nCVSSv3: 8.1 (High).\n\nAcknowledgments: Reported by the National Security Agency.\n\nAffected Products:VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x\n\nNSX-T 3.x\nVMware Cloud Foundation (with NSX) 5.x, 4.5.x\n\nFixed 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).\nWorkarounds: None.","status":"published","published":"2025-09-29T19:15:35.157Z","modified":"2026-10-09T09:10:00.213Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-640"],"updated_at":"2026-11-02T14:11:33.36253Z"}]}}