{"id":"CVE-2025-41251","state":"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.","publishedAt":"2025-09-29T18:45:16.614Z","updatedAt":"2026-02-26T17:47:50.851Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"vmware"},"assigner":"vmware","products":["vmware NSX"],"affected":[{"vendor":"vmware","product":"NSX","defaultStatus":"unaffected","versions":[{"version":"VMware NSX - 9.x.x.x, 4.2.x, 4.1.x, 4.0.x","status":"affected","versionType":"custom"},{"version":"VMware NSX-T - 3.x","status":"affected","versionType":"custom"},{"version":"VMware Cloud Foundation (with NSX) - 5.x, 4.5.x","status":"affected","versionType":"custom"},{"version":"VMware 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)","status":"unaffected","versionType":"custom"}]}],"references":["https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150"],"weaknesses":["CWE-640"],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/41xxx/CVE-2025-41251.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-41251","state":"PUBLISHED","datePublished":"2025-09-29T18:45:16.614Z","dateUpdated":"2026-02-26T17:47:50.851Z","assignerShortName":"vmware","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateReserved":"2025-04-16T09:30:25.625Z"},"containers":{"cna":{"title":"Weak password recovery vulnerability","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"vmware","product":"NSX","defaultStatus":"unaffected","versions":[{"version":"VMware NSX - 9.x.x.x, 4.2.x, 4.1.x, 4.0.x","status":"affected","versionType":"custom"},{"version":"VMware NSX-T - 3.x","status":"affected","versionType":"custom"},{"version":"VMware Cloud Foundation (with NSX) - 5.x, 4.5.x","status":"affected","versionType":"custom"},{"version":"VMware 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)","status":"unaffected","versionType":"custom"}]}],"references":[{"url":"https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150"}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-640","description":"CWE-640 Weak Password Recovery Mechanism for Forgotten Password","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"vmware","orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateUpdated":"2025-09-29T18:45:16.614Z"},"datePublic":"2025-09-29T18:26:00.000Z","impacts":[{"capecId":"CAPEC-50","descriptions":[{"lang":"en","value":"CAPEC-50 Password Recovery Exploitation"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2025-41251","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-09-30T03:55:13.799400Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-26T17:47:50.851Z"}}]}}}