#VU80225 Path traversal in Kepware KepServerEX and ThingWorx Kepware Server - CVE-2023-29446

Vulnerability identifier: #VU80225

Vulnerability risk: Medium

CVSSv4.0: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-29446

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Kepware KepServerEX
Server applications / Other server solutions
ThingWorx Kepware Server
Server applications / Other server solutions

Vendor: PTC

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can trick a victim to load a specially crafted project file and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Kepware KepServerEX: 6.14.263.0

ThingWorx Kepware Server: 6.14.263.0

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External links
https://www.cisa.gov/news-events/ics-advisories/icsa-23-243-03
https://www.ptc.com/en/support/article/cs399528

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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?

No. We are not aware of malware exploiting this vulnerability.