CVE-2023-29377 Path traversal in Secure Integration Server
Attackers can bypass directory path restrictions in Softing OPC UA SDK and Secure Integration Server to access or modify unauthorized files.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-29377?
CVE-2023-29377 is a medium-severity path traversal vulnerability in Softing Secure Integration Server, published on 14 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
An issue was discovered in Softing OPC UA C++ SDK through 6.20 and Softing Secure Integration Server through 1.22. By using FileType renames, it is possible to bypass limitations on assignment of a directory path to FileDirectory OPC UA objects and a file path to File OPC UA objects.
Weakness: CWE-23
Which versions are affected by CVE-2023-29377?
How do I fix CVE-2023-29377?
No fix has been published for CVE-2023-29377 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2023-29377 being exploited?
There is no known exploitation of CVE-2023-29377 in the wild and no public exploit code.
Sources
Also known as GHSA-hwrv-x7wv-x58q.