#VU83960 Path traversal in Apache Struts - CVE-2023-50164

Vulnerability identifier: #VU83960

Vulnerability risk: High

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2023-50164

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Apache Struts
Server applications / Frameworks for developing and running applications

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to input validation error when processing directory traversal sequences in path names. A remote attacker can upload a malicious file to the server and execute it.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Apache Struts: 2.5 - 2.5.32, 6.0.0 - 6.3.0.1

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External links
https://cwiki.apache.org/confluence/display/WW/S2-066

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.