{"api_version":"1","generated_at":"2026-11-03T10:18:42+00:00","cve":"CVE-2025-41251","urls":{"html":"https://cve.report/CVE-2025-41251","api":"https://cve.report/api/cve/CVE-2025-41251.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-41251","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-41251"},"summary":{"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.","state":"PUBLISHED","assigner":"vmware","published_at":"2025-09-29 19:15:35","updated_at":"2026-10-09 09:10:00"},"problem_types":["CWE-640","CWE-640 CWE-640 Weak Password Recovery Mechanism for Forgotten Password"],"metrics":[{"version":"3.1","source":"security@vmware.com","type":"Secondary","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"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"}}],"references":[{"url":"https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150","name":"https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150","refsource":"security@vmware.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-41251","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-41251","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"vmware","product":"NSX","version":"affected VMware NSX - 9.x.x.x, 4.2.x, 4.1.x, 4.0.x custom","platforms":[]},{"source":"CNA","vendor":"vmware","product":"NSX","version":"affected VMware NSX-T - 3.x custom","platforms":[]},{"source":"CNA","vendor":"vmware","product":"NSX","version":"affected VMware Cloud Foundation (with NSX) - 5.x, 4.5.x custom","platforms":[]},{"source":"CNA","vendor":"vmware","product":"NSX","version":"unaffected 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) custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2025","cve_id":"41251","cve":"CVE-2025-41251","epss":"0.007980000","percentile":"0.553030000","score_date":"2026-10-11","updated_at":"2026-10-12 00:13:21"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2025-41251","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2025-09-30T03:55:13.799400Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-02-26T17:47:50.851Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"NSX","vendor":"vmware","versions":[{"status":"affected","version":"VMware NSX - 9.x.x.x, 4.2.x, 4.1.x, 4.0.x","versionType":"custom"},{"status":"affected","version":"VMware NSX-T - 3.x","versionType":"custom"},{"status":"affected","version":"VMware Cloud Foundation (with NSX) - 5.x, 4.5.x","versionType":"custom"},{"status":"unaffected","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)","versionType":"custom"}]}],"datePublic":"2025-09-29T18:26:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","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.<br><b><br>Impact:</b>&nbsp;Username enumeration → credential brute force risk.<br><b>Attack Vector:</b>&nbsp;Remote, unauthenticated.<br><b>Severity:</b>&nbsp;Important.<br><b>CVSSv3:</b>&nbsp;8.1 (High).<br><b><br>Acknowledgments:</b>&nbsp;Reported by the National Security Agency.<br><br><b>Affected Products:</b><p>VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x</p>NSX-T 3.x<br>VMware Cloud Foundation (with NSX) 5.x, 4.5.x<br><br><b>Fixed Versions:</b> NSX 9.0.1.0; <a target=\"_blank\" rel=\"nofollow\" href=\"http://4.2.2.2/4.2.3.1\">4.2.2.2/4.2.3.1</a>; 4.1.2.7; NSX-T 3.2.4.3; CCF async patch (KB88287).<br><b>Workarounds:</b> None.<br><ul>\n</ul>\n<br><br><br><br>"}],"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."}],"impacts":[{"capecId":"CAPEC-50","descriptions":[{"lang":"en","value":"CAPEC-50 Password Recovery Exploitation"}]}],"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":{"dateUpdated":"2025-09-29T18:45:16.614Z","orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","shortName":"vmware"},"references":[{"url":"https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150"}],"source":{"discovery":"UNKNOWN"},"title":"Weak password recovery vulnerability","x_generator":{"engine":"Vulnogram 0.2.0"}}},"cveMetadata":{"assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","assignerShortName":"vmware","cveId":"CVE-2025-41251","datePublished":"2025-09-29T18:45:16.614Z","dateReserved":"2025-04-16T09:30:25.625Z","dateUpdated":"2026-02-26T17:47:50.851Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-09-29 19:15:35","lastModifiedDate":"2026-10-09 09:10:00","problem_types":["CWE-640","CWE-640 CWE-640 Weak Password Recovery Mechanism for Forgotten Password"],"metrics":{"cvssMetricV31":[{"source":"security@vmware.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.2,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-09-30T03:55:13.799400Z","id":"CVE-2025-41251","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"41251","Ordinal":"1","Title":"Weak password recovery vulnerability","CVE":"CVE-2025-41251","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"41251","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"Weak password recovery vulnerability"}]}}}