{"id":"CVE-1999-0420","aliases":["EUVD-1999-0420","GHSA-637m-9vgx-w22q"],"status":"published","title":"umapfs allows local users to gain root privileges by changing their uid through a malicious...","description":"umapfs allows local users to gain root privileges by changing their uid through a malicious mount_umap program.","severity":{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00398,"percentile":0.34336,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"1999-03-17T05:00:00Z","modified":"2026-06-16T21:48:21Z","products":[{"vendor":"netbsd","product":"umapfs"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0420","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-0420"},{"url":"https://github.com/advisories/GHSA-637m-9vgx-w22q"}],"sources":{"cve":[{"id":"CVE-1999-0420","description":"umapfs allows local users to gain root privileges by changing their uid through a malicious mount_umap program.","status":"published","published":"1999-09-29T04:00:00Z","modified":"2024-08-01T16:41:44.24Z","updated_at":"2026-11-02T14:33:53.911988Z"}],"euvd":[{"id":"EUVD-1999-0420","description":"umapfs allows local users to gain root privileges by changing their uid through a malicious mount_umap program.","status":"published","published":"1999-09-29T04:00:00Z","modified":"2024-08-01T16:41:44Z","updated_at":"2026-11-03T03:50:47.002367Z"}],"ghsa":[{"id":"GHSA-637m-9vgx-w22q","title":"umapfs allows local users to gain root privileges by changing their uid through a malicious...","description":"umapfs allows local users to gain root privileges by changing their uid through a malicious mount_umap program.","status":"published","published":"2022-04-30T18:10:33Z","modified":"2023-01-29T05:01:22Z","updated_at":"2026-11-02T14:44:47.932364Z"}],"nvd":[{"id":"CVE-1999-0420","description":"umapfs allows local users to gain root privileges by changing their uid through a malicious mount_umap program.","status":"published","published":"1999-03-17T05:00:00Z","modified":"2026-06-16T21:48:21.55Z","cvss":[{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T13:58:30.236077Z"}]}}