Detections
Analytics

CVE-2021-42257

high

Description

check_smart before 6.9.1 allows unintended drive access by an unprivileged user because it only checks for a substring match of a device path (the /dev/bus substring and a number), aka an unanchored regular expression.

References

https://www.claudiokuenzler.com/monitoring-plugins/check_smart.php

https://www.claudiokuenzler.com/blog/1068/check_smart-6.9.1-security-fix-release-pseudo-device-path

https://nvd.nist.gov/vuln/detail/CVE-2021-42257

https://bugzilla.suse.com/show_bug.cgi?id=1183057

http://www.openwall.com/lists/oss-security/2021/10/14/2

Details

Source: Mitre, NVD

Published: 2021-10-11

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:P

Severity: Low

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Severity: High

EPSS

EPSS: 0.00124