CVSS 3.1
7.1 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HCVE-2021-42257
High (7.1) in check smart project check smart. EPSS 0.4% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-31)
- CWE
- CWE-20
- Published
- Modified
- Record from
- the NVD, synced
Affected
- check_smart_project:check_smart
References
- http://www.openwall.com/lists/oss-security/2021/10/14/2
- https://bugzilla.suse.com/show_bug.cgi?id=1183057
- https://nvd.nist.gov/vuln/detail/CVE-2021-42257
- https://www.claudiokuenzler.com/blog/1068/check_smart-6.9.1-security-fix-release-pseudo-device-path
- https://www.claudiokuenzler.com/monitoring-plugins/check_smart.php