check_smart before 6.9.1 allows unintended drive access by an unprivileged user because…
Priority LOW 31CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00389 33rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:check_smart_project:check_smart:*:*:*:*:*:*:*:* | before 6.9.1 | Vulnerable | Check Smart Project |
- cpe:2.3:a:check_smart_project:check_smart:*:*:*:*:*:*:*:* Versions before 6.9.1 Vulnerable ·Check Smart Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-42257
- 2026-10-03 Alias added: GHSA-xmf9-f5j5-mm5x
References
Exploit 2
Advisory 2
Sources
- CVE-2021-42257 · CVE Program
- CVE-2021-42257 · NVD
- FIRST EPSS
- GHSA-xmf9-f5j5-mm5x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences