{"id":"CVE-2004-1901","aliases":["EUVD-2004-1894","GHSA-m82x-j38m-84qv"],"status":"published","title":"Portage before 2.0.50-r3 allows local users to overwrite arbitrary files via a hard link attack...","description":"Portage before 2.0.50-r3 allows local users to overwrite arbitrary files via a hard link attack on the lockfiles.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-06","score":0.00366,"percentile":0.30551,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-59"],"published":"2004-12-31T05:00:00Z","modified":"2026-06-16T22:08:37Z","products":[{"vendor":"gentoo","product":"linux"},{"vendor":"gentoo","product":"portage"}],"references":[{"url":"http://www.securityfocus.com/bid/10060","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Patch","Third Party Advisory","VDB Entry"]},{"url":"http://security.gentoo.org/glsa/glsa-200404-01.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Vendor Advisory"]},{"url":"http://secunia.com/advisories/11305","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link","Patch"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/15754","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-1901"},{"url":"https://github.com/advisories/GHSA-m82x-j38m-84qv"}],"sources":{"cve":[{"id":"CVE-2004-1901","description":"Portage before 2.0.50-r3 allows local users to overwrite arbitrary files via a hard link attack on the lockfiles.","status":"published","published":"2005-05-10T04:00:00Z","modified":"2025-01-16T18:09:40.758Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:34:54.063504Z"}],"euvd":[{"id":"EUVD-2004-1894","description":"Portage before 2.0.50-r3 allows local users to overwrite arbitrary files via a hard link attack on the lockfiles.","status":"published","published":"2005-05-10T04:00:00Z","modified":"2025-01-16T18:09:40Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T00:04:18.582094Z"}],"ghsa":[{"id":"GHSA-m82x-j38m-84qv","title":"Portage before 2.0.50-r3 allows local users to overwrite arbitrary files via a hard link attack...","description":"Portage before 2.0.50-r3 allows local users to overwrite arbitrary files via a hard link attack on the lockfiles.","status":"published","published":"2022-04-29T03:00:25Z","modified":"2024-01-26T18:30:30Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:55:29.55339Z"}],"nvd":[{"id":"CVE-2004-1901","description":"Portage before 2.0.50-r3 allows local users to overwrite arbitrary files via a hard link attack on the lockfiles.","status":"published","published":"2004-12-31T05:00:00Z","modified":"2026-06-16T22:08:37.08Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:00:52.459805Z"}]}}