8.6
HIGH CVSS 4.0
CVE-2025-27395
Siemens SCALANCE LPE9403 SFTP Privilege Escalation Vulnerability
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.

INFO

Published Date :

March 11, 2025, 10:15 a.m.

Last Modified :

Aug. 22, 2025, 6:04 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-27395 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Siemens scalance_lpe9403_firmware
2 Siemens scalance_lpe9403
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 HIGH [email protected]
Solution
Update firmware to patch SFTP file access and privilege issues.
  • Update firmware to version 4.0 or later.
  • Review SFTP access controls and user privileges.
  • Limit SFTP access to authorized users only.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-27395.

URL Resource
https://cert-portal.siemens.com/productcert/html/ssa-075201.html Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-27395 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-27395 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-27395 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Aug. 22, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_lpe9403_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.0 OR cpe:2.3:h:siemens:scalance_lpe9403:-:*:*:*:*:*:*:*
    Added Reference Type Siemens AG: https://cert-portal.siemens.com/productcert/html/ssa-075201.html Types: Vendor Advisory
  • New CVE Received by [email protected]

    Mar. 11, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-22
    Added Reference https://cert-portal.siemens.com/productcert/html/ssa-075201.html
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.6
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 7.2
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact