{"id":"CVE-2021-38993","aliases":["EUVD-2021-25430","GHSA-3526-xvv9-2p52"],"status":"published","title":"IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a...","description":"IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the smbcd daemon to cause a denial of service. IBM X-Force ID: 212962.","severity":{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:L/S:U/C:N/PR:N/A:H/AC:L/I:N/UI:N/RL:O/E:U/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00217,"percentile":0.12249,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2022-02-25T18:00:11Z","modified":"2026-06-17T04:02:56Z","products":[{"vendor":"ibm","product":"aix"},{"vendor":"ibm","product":"vios"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6559320","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/212962","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38993"},{"url":"https://github.com/advisories/GHSA-3526-xvv9-2p52"}],"sources":{"cve":[{"id":"CVE-2021-38993","description":"IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the smbcd daemon to cause a denial of service. IBM X-Force ID: 212962.","status":"published","published":"2022-02-25T18:00:11.336Z","modified":"2024-09-17T02:06:22.867Z","cvss":[{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:L/S:U/C:N/PR:N/A:H/AC:L/I:N/UI:N/RL:O/E:U/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-25430","description":"IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the smbcd daemon to cause a denial of service. IBM X-Force ID: 212962.","status":"published","published":"2022-02-25T18:00:11Z","modified":"2024-09-17T02:06:22Z","cvss":[{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:L/S:U/C:N/PR:N/A:H/AC:L/I:N/UI:N/RL:O/E:U/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:28:43.867146Z"}],"ghsa":[{"id":"GHSA-3526-xvv9-2p52","title":"IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a...","description":"IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the smbcd daemon to cause a denial of service. IBM X-Force ID: 212962.","status":"published","published":"2022-02-26T00:00:41Z","modified":"2023-02-03T05:06:17Z","updated_at":"2026-11-02T14:53:52.260774Z"}],"nvd":[{"id":"CVE-2021-38993","description":"IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the smbcd daemon to cause a denial of service. IBM X-Force ID: 212962.","status":"published","published":"2022-02-25T18:15:07.66Z","modified":"2026-06-17T04:02:56.803Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:07:05.198719Z"}]}}