{"id":"CVE-2025-66413","aliases":["EUVD-2025-208534","GHSA-hv9c-4jm9-jh3x","OESA-2026-1660"],"status":"published","title":"Git for Windows leaks NTLM hash when cloning from an attacker-controlled server","description":"Git for Windows is the Windows port of Git. Prior to 2.53.0(2), it is possible to obtain a user's NTLM hash by tricking them into cloning from a malicious server. Since NTLM hashing is weak, it is possible for the attacker to brute-force the user's account name and password. This vulnerability is fixed in 2.53.0(2).","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00319,"percentile":0.25212,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-307"],"published":"2026-03-10T20:34:32Z","modified":"2026-10-28T02:30:24Z","fixes":[{"ecosystem":"openEuler:24.03-LTS","package":"git","fixed_in":["2.43.0-11.oe2403sp3"],"sources":["osv"]},{"ecosystem":"openEuler:24.03-LTS-SP1","package":"git","fixed_in":["2.43.0-11.oe2403sp1"],"sources":["osv"]},{"ecosystem":"openEuler:24.03-LTS-SP2","package":"git","fixed_in":["2.43.0-11.oe2403sp2"],"sources":["osv"]},{"ecosystem":"openEuler:24.03-LTS-SP3","package":"git","fixed_in":["2.43.0-11.oe2403sp3"],"sources":["osv"]},{"ecosystem":"openEuler:20.03-LTS-SP4","package":"git","fixed_in":["2.27.0-28.oe2003sp4"],"sources":["osv"]},{"ecosystem":"openEuler:22.03-LTS-SP4","package":"git","fixed_in":["2.33.0-21.oe2203sp4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"openEuler:24.03-LTS","package":"git","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.43.0-11.oe2403sp3"}]}]},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP1","package":"git","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.43.0-11.oe2403sp1"}]}]},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP2","package":"git","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.43.0-11.oe2403sp2"}]}]},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP3","package":"git","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.43.0-11.oe2403sp3"}]}]},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP4","package":"git","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.27.0-28.oe2003sp4"}]}]},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP4","package":"git","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.33.0-21.oe2203sp4"}]}]}],"products":[{"vendor":"git-for-windows","product":"git"},{"vendor":"gitforwindows","product":"git"}],"references":[{"url":"https://github.com/git-for-windows/git/security/advisories/GHSA-hv9c-4jm9-jh3x","tags":["x_refsource_CONFIRM","Exploit","Vendor Advisory","advisory"]},{"url":"https://github.com/git-for-windows/git/releases/tag/v2.53.0.windows.2","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66413.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66413","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1660","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-66413","title":"Git for Windows leaks NTLM hash when cloning from an attacker-controlled server","description":"Git for Windows is the Windows port of Git. Prior to 2.53.0(2), it is possible to obtain a user's NTLM hash by tricking them into cloning from a malicious server. Since NTLM hashing is weak, it is possible for the attacker to brute-force the user's account name and password. This vulnerability is fixed in 2.53.0(2).","status":"published","published":"2026-03-10T20:34:32.769Z","modified":"2026-03-11T14:33:36.115Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:32:53.157279Z"}],"euvd":[{"id":"EUVD-2025-208534","description":"Git for Windows is the Windows port of Git. Prior to 2.53.0(2), it is possible to obtain a user's NTLM hash by tricking them into cloning from a malicious server. Since NTLM hashing is weak, it is possible for the attacker to brute-force the user's account name and password. This vulnerability is fixed in 2.53.0(2).","status":"published","published":"2026-03-10T20:34:32Z","modified":"2026-03-11T14:33:36Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T19:25:37.650533Z"}],"nvd":[{"id":"CVE-2025-66413","description":"Git for Windows is the Windows port of Git. Prior to 2.53.0(2), it is possible to obtain a user's NTLM hash by tricking them into cloning from a malicious server. Since NTLM hashing is weak, it is possible for the attacker to brute-force the user's account name and password. This vulnerability is fixed in 2.53.0(2).","status":"published","published":"2026-03-10T21:16:40.68Z","modified":"2026-06-17T09:56:47.8Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200","CWE-307"],"updated_at":"2026-11-02T14:12:01.641503Z"}],"osv":[{"id":"CVE-2025-66413","title":"Git for Windows leaks NTLM hash when cloning from an attacker-controlled server","description":"Git for Windows is the Windows port of Git. Prior to 2.53.0(2), it is possible to obtain a user's NTLM hash by tricking them into cloning from a malicious server. Since NTLM hashing is weak, it is possible for the attacker to brute-force the user's account name and password. This vulnerability is fixed in 2.53.0(2).","status":"published","published":"2026-03-10T20:34:32.769Z","modified":"2026-10-28T02:30:24.96115074Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:44:52.202386Z"},{"id":"OESA-2026-1660","title":"git security update","description":"Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency. Git is easy to learn and has a tiny footprint with lightning fast performance. It outclasses SCM tools like Subversion, CVS, Perforce, and ClearCase with features like cheap local branching, convenient staging areas, and multiple workflows.\r\n\r\nSecurity Fix(es):\n\nGit for Windows is the Windows port of Git. Prior to 2.53.0(2), it is possible to obtain a user\u0026apos;s NTLM hash by tricking them into cloning from a malicious server. Since NTLM hashing is weak, it is possible for the attacker to brute-force the user\u0026apos;s account name and password. This vulnerability is fixed in 2.53.0(2).(CVE-2025-66413)","status":"published","published":"2026-03-20T11:10:41Z","modified":"2026-08-18T01:19:40.494756939Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:52:45.721983Z"}]}}