CVE-2025-27395 Path traversal in SCALANCE LPE9403
An authenticated privileged attacker can read and write arbitrary files via SFTP on Siemens SCALANCE LPE9403 devices.
- 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-2025-27395?
CVE-2025-27395 is a high-severity path traversal vulnerability in Siemens SCALANCE LPE9403, published on 11 Mar 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0). Affected devices do not properly limit the scope of files accessible through and the privileges of the SFTP functionality. This could allow an authenticated highly-privileged remote attacker to read and write arbitrary files.
Weakness: CWE-22
Which versions are affected by CVE-2025-27395?
It affects 1 product.
Products include Siemens Scalance Lpe9403 Firmware.
How do I fix CVE-2025-27395?
No fix has been published for CVE-2025-27395 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-2025-27395 being exploited?
There is no known exploitation of CVE-2025-27395 in the wild and no public exploit code.
Other vulnerabilities in Siemens SCALANCE LPE9403
Sources
Also known as GHSA-r9rh-fqc4-pqx3.