{"id":"CVE-2025-41252","title":"Description: VMware NSX contains a username enumeration vulnerability","summary":"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.\n\n\nImpact: Username enumeration …","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-203"],"published":"2025-09-29","updated":"2026-10-09","sourceUpdated":"2026-10-09T09:10:00.213","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-41252","references":[{"url":"https://https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150","label":"security@vmware.com"}],"tags":["nvd"],"epss":0.00686,"epssPercentile":0.51146,"ingestedAt":"2026-10-09T09:31:00.985Z","slug":"CVE-2025-41252","body":"## Overview\n\nDescription: VMware NSX contains a username enumeration vulnerability. An unauthenticated malicious actor may exploit this to enumerate valid usernames, potentially leading to unauthorized access attempts.\n\n\nImpact: Username enumeration → facilitates unauthorized access.\n\n\nAttack Vector: Remote, unauthenticated.\n\n\nSeverity: Important.\n\n\nCVSSv3: 7.5 (High).\n\n\nAcknowledgments: Reported by the National Security Agency.\n\n\nAffected Products:\n\n\n\n  *  VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x\n\n  *  NSX-T 3.x\n\n  *  VMware Cloud Foundation (with NSX) 5.x, 4.5.x\n\n\n\n\n\n\n\n\n\n\n\n\nFixed Versions: \n\n\n\n  *  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).\n\n\n\n\n\n\nWorkarounds: None.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}