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

CVE-2023-39810

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

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

HIGH · CVSS 7.8 EPSS 0.00092
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
▤

Affected Products & Versions

1
busyboxall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD28 Aug 2023 · 07:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
siemens-csafSSA-089022
msrcCVE-2023-39810
cisa-csafcisa-csaf-csaf_files-OT-white-2026-icsa-26-043-06
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://busybox.comBroken Link
https://www.pentagrid.ch/en/blog/busybox-cpio-directory-traversal-vulnerability/Third Party Advisory
http://www.openwall.com/lists/oss-security/2025/04/23/1
http://www.openwall.com/lists/oss-security/2025/04/23/2
http://www.openwall.com/lists/oss-security/2025/04/23/3
http://www.openwall.com/lists/oss-security/2025/04/24/2
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
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