SARA / Free Tools / CVE / CVE-2023-39810

CVE-2023-39810 — An issue in the CPIO command of Busybox v1

An issue in the CPIO command of Busybox v1.33.2 allows attackers to execute a directory traversal.

CVSS

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EPSS

9.00% (top 74.20%)

CWE

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Published

2023-08-28T00:00:00.000Z

Last modified

2025-04-24T20:03:22.113Z

CVSS vector

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01What is this vulnerability?

An issue in the CPIO command of Busybox v1.33.2 allows attackers to execute a directory traversal.

Vendor	Product	Versions
n	a / n/a	n/a

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

busybox.com — http://busybox.com
www.pentagrid.ch — https://www.pentagrid.ch/en/blog/busybox-cpio-directory-traversal-vulnerability/

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