3.7
LOW
CVE-2025-23384
Siemens OpenVPN Username Validation Vulnerability
Description

A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V8.2.1), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V8.2.1), SCALANCE M804PB (6GK5804-0AP00-2AA2) (All versions < V8.2.1), SCALANCE M812-1 ADSL-Router family (All versions < V8.2.1), SCALANCE M816-1 ADSL-Router family (All versions < V8.2.1), SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) (All versions < V8.2.1), SCALANCE M874-2 (6GK5874-2AA00-2AA2) (All versions < V8.2.1), SCALANCE M874-3 (6GK5874-3AA00-2AA2) (All versions < V8.2.1), SCALANCE M874-3 3G-Router (CN) (6GK5874-3AA00-2FA2) (All versions < V8.2.1), SCALANCE M876-3 (6GK5876-3AA02-2BA2) (All versions < V8.2.1), SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) (All versions < V8.2.1), SCALANCE M876-4 (6GK5876-4AA10-2BA2) (All versions < V8.2.1), SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) (All versions < V8.2.1), SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) (All versions < V8.2.1), SCALANCE MUB852-1 (A1) (6GK5852-1EA10-1AA1) (All versions < V8.2.1), SCALANCE MUB852-1 (B1) (6GK5852-1EA10-1BA1) (All versions < V8.2.1), SCALANCE MUM853-1 (A1) (6GK5853-2EA10-2AA1) (All versions < V8.2.1), SCALANCE MUM853-1 (B1) (6GK5853-2EA10-2BA1) (All versions < V8.2.1), SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) (All versions < V8.2.1), SCALANCE MUM856-1 (A1) (6GK5856-2EA10-3AA1) (All versions < V8.2.1), SCALANCE MUM856-1 (B1) (6GK5856-2EA10-3BA1) (All versions < V8.2.1), SCALANCE MUM856-1 (CN) (6GK5856-2EA00-3FA1) (All versions < V8.2.1), SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) (All versions < V8.2.1), SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) (All versions < V8.2.1), SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) (All versions < V8.2.1), SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) (All versions < V8.2.1), SCALANCE SC-600 family (All versions). Affected devices improperly validate usernames during OpenVPN authentication. This could allow an attacker to get partial invalid usernames accepted by the server.

INFO

Published Date :

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

Last Modified :

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

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

2.2
Affected Products

The following products are affected by CVE-2025-23384 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_m804pb_firmware
2 Siemens scalance_m874-2_firmware
3 Siemens scalance_m874-3_firmware
4 Siemens scalance_m876-3_firmware
5 Siemens scalance_m876-4_firmware
6 Siemens ruggedcom_rm1224_lte\(4g\)_eu_firmware
7 Siemens ruggedcom_rm1224_lte\(4g\)_nam_firmware
8 Siemens scalance_m826-2_shdsl-router_firmware
9 Siemens scalance_m874-3_3g-router_\(cn\)_firmware
10 Siemens scalance_m876-3_\(rok\)_firmware
11 Siemens scalance_m876-4_\(eu\)_firmware
12 Siemens scalance_m876-4_\(nam\)_firmware
13 Siemens scalance_mum853-1_\(a1\)_firmware
14 Siemens scalance_mum853-1_\(b1\)_firmware
15 Siemens scalance_mum853-1_\(eu\)_firmware
16 Siemens scalance_mum856-1_\(a1\)_firmware
17 Siemens scalance_mum856-1_\(b1\)_firmware
18 Siemens scalance_mum856-1_\(cn\)_firmware
19 Siemens scalance_mum856-1_\(eu\)_firmware
20 Siemens scalance_mum856-1_\(row\)_firmware
21 Siemens scalance_s615_eec_lan-router_firmware
22 Siemens scalance_s615_lan-router_firmware
: Total Affected Vendor : 1 | Products : 22
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-2025-23384.

URL Resource
https://cert-portal.siemens.com/productcert/html/ssa-280834.html

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-2025-23384 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-23384 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.

  • New CVE Received by [email protected]

    Mar. 11, 2025

    Action Type Old Value New Value
    Added Description A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V8.2.1), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V8.2.1), SCALANCE M804PB (6GK5804-0AP00-2AA2) (All versions < V8.2.1), SCALANCE M812-1 ADSL-Router family (All versions < V8.2.1), SCALANCE M816-1 ADSL-Router family (All versions < V8.2.1), SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) (All versions < V8.2.1), SCALANCE M874-2 (6GK5874-2AA00-2AA2) (All versions < V8.2.1), SCALANCE M874-3 (6GK5874-3AA00-2AA2) (All versions < V8.2.1), SCALANCE M874-3 3G-Router (CN) (6GK5874-3AA00-2FA2) (All versions < V8.2.1), SCALANCE M876-3 (6GK5876-3AA02-2BA2) (All versions < V8.2.1), SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) (All versions < V8.2.1), SCALANCE M876-4 (6GK5876-4AA10-2BA2) (All versions < V8.2.1), SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) (All versions < V8.2.1), SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) (All versions < V8.2.1), SCALANCE MUB852-1 (A1) (6GK5852-1EA10-1AA1) (All versions < V8.2.1), SCALANCE MUB852-1 (B1) (6GK5852-1EA10-1BA1) (All versions < V8.2.1), SCALANCE MUM853-1 (A1) (6GK5853-2EA10-2AA1) (All versions < V8.2.1), SCALANCE MUM853-1 (B1) (6GK5853-2EA10-2BA1) (All versions < V8.2.1), SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) (All versions < V8.2.1), SCALANCE MUM856-1 (A1) (6GK5856-2EA10-3AA1) (All versions < V8.2.1), SCALANCE MUM856-1 (B1) (6GK5856-2EA10-3BA1) (All versions < V8.2.1), SCALANCE MUM856-1 (CN) (6GK5856-2EA00-3FA1) (All versions < V8.2.1), SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) (All versions < V8.2.1), SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) (All versions < V8.2.1), SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) (All versions < V8.2.1), SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) (All versions < V8.2.1), SCALANCE SC-600 family (All versions). Affected devices improperly validate usernames during OpenVPN authentication. This could allow an attacker to get partial invalid usernames accepted by the server.
    Added CVSS V4.0 AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/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:H/PR:N/UI:N/S:U/C:N/I:L/A:N
    Added CWE CWE-187
    Added Reference https://cert-portal.siemens.com/productcert/html/ssa-280834.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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-23384 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-23384 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: