CVE-2023-39810 Path traversal in n/a

High 7.8 Published 28 Aug 2023 Updated 9 Jul 2026

Attackers can exploit a directory traversal flaw in BusyBox CPIO to read or modify files outside the intended directory.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2023-39810?

CVE-2023-39810 is a high-severity path traversal vulnerability in n/a, published on 28 Aug 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

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

Weakness: CWE-22

Which versions are affected by CVE-2023-39810?

It affects 1 product.

Linux distribution packages (1)

busybox openSUSE:Tumbleweed All versions 1.38.0-1.1

Products include Busybox Busybox.

How do I fix CVE-2023-39810?

Upgrade to a fixed version.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-39810 being exploited?

There is no known exploitation of CVE-2023-39810 in the wild and no public exploit code.

Sources

Also known as AZL-61539, AZL-61600, BELL-CVE-2023-39810, CLSA-2026-1777368104, DEBIAN-CVE-2023-39810, ECHO-ca8b-4d06-0a38 and 6 more.