{"id":"CVE-2020-27678","aliases":["EUVD-2020-20182","GHSA-q226-j4q4-9wc9"],"status":"published","title":"An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by,...","description":"An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by, r151032ay, and r151034y and SmartOS before 20201022. There is a buffer overflow in parse_user_name in lib/libpam/pam_framework.c.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01441,"percentile":0.73552,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-10-23T20:25:17Z","modified":"2026-06-17T03:09:29Z","products":[{"vendor":"illumos","product":"illumos"},{"vendor":"joyent","product":"smartos"},{"vendor":"omniosce","product":"omnios"}],"references":[{"url":"https://github.com/illumos/illumos-gate/commit/1d276e0b382cf066dae93640746d8b4c54d15452","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27678"},{"url":"https://github.com/advisories/GHSA-q226-j4q4-9wc9"}],"sources":{"cve":[{"id":"CVE-2020-27678","description":"An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by, r151032ay, and r151034y and SmartOS before 20201022. There is a buffer overflow in parse_user_name in lib/libpam/pam_framework.c.","status":"published","published":"2020-10-23T20:25:17Z","modified":"2024-08-04T16:18:45.659Z","updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2020-20182","description":"An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by, r151032ay, and r151034y and SmartOS before 20201022. There is a buffer overflow in parse_user_name in lib/libpam/pam_framework.c.","status":"published","published":"2020-10-23T20:25:17Z","modified":"2024-08-04T16:18:45Z","updated_at":"2026-11-03T03:07:12.435876Z"}],"ghsa":[{"id":"GHSA-q226-j4q4-9wc9","title":"An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by,...","description":"An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by, r151032ay, and r151034y and SmartOS before 20201022. There is a buffer overflow in parse_user_name in lib/libpam/pam_framework.c.","status":"published","published":"2022-05-24T17:32:12Z","modified":"2023-01-29T05:05:05Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:45:42.123832Z"}],"nvd":[{"id":"CVE-2020-27678","description":"An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by, r151032ay, and r151034y and SmartOS before 20201022. There is a buffer overflow in parse_user_name in lib/libpam/pam_framework.c.","status":"published","published":"2020-10-26T12:17:12.693Z","modified":"2026-06-17T03:09:29.107Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:20.704992Z"}]}}