{"id":"CVE-2021-38991","aliases":["EUVD-2021-25428","GHSA-pch6-29g3-h3g3"],"status":"published","title":"IBM AIX 7.0, 7.1, 7.2, and VIOS 3.1 could allow a non-privileged local user to exploit a...","description":"IBM AIX 7.0, 7.1, 7.2, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the lscore command which could lead to code execution. IBM X-Force ID: 212953.","severity":{"version":"3.0","score":8.4,"vector":"CVSS:3.0/PR:N/A:H/S:U/AV:L/C:H/I:H/UI:N/AC:L/RC:C/RL:O/E:U","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0028,"percentile":0.20767,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2022-01-11T16:25:18Z","modified":"2026-06-17T04:02:56Z","products":[{"vendor":"ibm","product":"aix"},{"vendor":"ibm","product":"vios"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6538952","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/212953","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38991"},{"url":"https://github.com/advisories/GHSA-pch6-29g3-h3g3"}],"sources":{"cve":[{"id":"CVE-2021-38991","description":"IBM AIX 7.0, 7.1, 7.2, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the lscore command which could lead to code execution. IBM X-Force ID: 212953.","status":"published","published":"2022-01-11T16:25:18.3Z","modified":"2024-09-16T18:48:29.444Z","cvss":[{"version":"3.0","score":8.4,"vector":"CVSS:3.0/PR:N/A:H/S:U/AV:L/C:H/I:H/UI:N/AC:L/RC:C/RL:O/E:U","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:07.697752Z"}],"euvd":[{"id":"EUVD-2021-25428","description":"IBM AIX 7.0, 7.1, 7.2, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the lscore command which could lead to code execution. IBM X-Force ID: 212953.","status":"published","published":"2022-01-11T16:25:18Z","modified":"2024-09-16T18:48:29Z","cvss":[{"version":"3.0","score":8.4,"vector":"CVSS:3.0/PR:N/A:H/S:U/AV:L/C:H/I:H/UI:N/AC:L/RC:C/RL:O/E:U","level":"high"}],"updated_at":"2026-11-03T00:55:29.13849Z"}],"ghsa":[{"id":"GHSA-pch6-29g3-h3g3","title":"IBM AIX 7.0, 7.1, 7.2, and VIOS 3.1 could allow a non-privileged local user to exploit a...","description":"IBM AIX 7.0, 7.1, 7.2, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the lscore command which could lead to code execution. IBM X-Force ID: 212953.","status":"published","published":"2022-01-12T00:01:19Z","modified":"2023-01-27T05:01:46Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:41:57.859539Z"}],"nvd":[{"id":"CVE-2021-38991","description":"IBM AIX 7.0, 7.1, 7.2, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the lscore command which could lead to code execution. IBM X-Force ID: 212953.","status":"published","published":"2022-01-11T17:15:07.703Z","modified":"2026-06-17T04:02:56.7Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":8.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","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"}],"updated_at":"2026-11-02T14:07:03.418194Z"}]}}