CVE-2025-27397

Description

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0). Affected devices do not properly limit user controlled paths to which logs are written and from where they are read. This could allow an authenticated highly-privileged remote attacker to read and write arbitrary files in the filesystem, if and only if the malicious path ends with 'log' .

CVSS v3.1 Score

3.8

LOW

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
siemens	scalance_lpe9403_firmware	< 4.0
siemens	scalance_lpe9403	All

References

Advisories & Patches

https://cert-portal.siemens.com/productcert/html/ssa-075201.html

Frequently Asked Questions

What is CVE-2025-27397? +

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0). Affected devices do not properly limit user controlled paths to which logs are written and from where they are read. This could allow an authenticated highly-privileged remote attacker to read and write arbitrary files in the filesystem, if and only if the malicious path ends with 'log' . It has a CVSS v3.1 base score of 3.8 (LOW).

How severe is CVE-2025-27397? +

CVE-2025-27397 has a CVSS v3.1 score of 3.8 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-27397? +

CVE-2025-27397 affects products from siemens, specifically: scalance_lpe9403, scalance_lpe9403_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-27397? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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