Review reviewHigh
CVE-2023-39810
busybox
An issue in the CPIO command of Busybox v1.33.2 allows attackers to execute a directory traversal.
- CVSS
- 7.8
- EPSS
- 0.71% 50.0% percentile
- CISA KEV
- Not listed
- Published
- 2023.08.29
Review review
The CVSS severity warrants an early asset and exposure review.
Known exploitationNot established by KEV
Exploit probability0.71%
Technical severityCVSS 7.8
Vulnerability overview
An issue in the CPIO command of Busybox v1.33.2 allows attackers to execute a directory traversal.
Affected product and versions
- Product
- busybox
- Affected versions
- 1.30.1, 1.33.2
- Fixed versions
- No verified fixed-version field is available yet
Recommended response sequence
Confirm exposure before applying a vendor-supported change.
- 1Identify
Confirm that busybox and an affected version are present.
- 2Prioritize
Combine exploitation signals with asset exposure and business criticality.
- 3Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
- 4Verify
Recheck the version, service health, access paths, and relevant logs.
Technical data
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CWE
- CWE-22