Improper input validation in Check Smart Project
CVE-2021-42257
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.004 (32.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
Affected products
- Check_smart_project Check_smart
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Exploit, Patch, Third Party Advisory, Issue Tracking)
- cve@mitre.org (mailing-list, Exploit, Third Party Advisory)
- cve@mitre.org
Frequently asked questions
- What is CVE-2021-42257?
- CVE-2021-42257 is a high-severity vulnerability in Check Smart Project, classified under Improper Input Validation. CVSS score: 7.1/10. Published 2021-10-11.
- How severe is CVE-2021-42257?
- High severity. CVSS v3 base score is 7.1 out of 10.