Siemens SCALANCE XRM334 up to 3.1 Web Interface authorization

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Siemens RUGGEDCOM RST2428P, SCALANCE XC316-8, SCALANCE XC324-4, SCALANCE XC324-4 EEC, SCALANCE XC332, SCALANCE XC416-8, SCALANCE XC424-4, SCALANCE XC432, SCALANCE XCH328, SCALANCE XCM324, SCALANCE XCM328, SCALANCE XCM332, SCALANCE XR302-32, SCALANCE XR322-12, SCALANCE XR326-8, SCALANCE XR326-8 EEC, SCALANCE XR502-32, SCALANCE XR522-12, SCALANCE XR526-8, SCALANCE XRH334 and SCALANCE XRM334 up to 3.1. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the component Web Interface. Performing a manipulation results in authorization. This vulnerability was named CVE-2025-40568. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Siemens RUGGEDCOM RST2428P, SCALANCE XC316-8, SCALANCE XC324-4, SCALANCE XC324-4 EEC, SCALANCE XC332, SCALANCE XC416-8, SCALANCE XC424-4, SCALANCE XC432, SCALANCE XCH328, SCALANCE XCM324, SCALANCE XCM328, SCALANCE XCM332, SCALANCE XR302-32, SCALANCE XR322-12, SCALANCE XR326-8, SCALANCE XR326-8 EEC, SCALANCE XR502-32, SCALANCE XR522-12, SCALANCE XR526-8, SCALANCE XRH334 and SCALANCE XRM334 up to 3.1. It has been classified as problematic. This affects an unknown code block of the component Web Interface. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on availability. The summary by CVE is:

A vulnerability has been identified in RUGGEDCOM RST2428P (6GK6242-6PA00) (All versions < V3.2), SCALANCE XCH328 (6GK5328-4TS01-2EC2) (All versions < V3.2), SCALANCE XCM324 (6GK5324-8TS01-2AC2) (All versions < V3.2), SCALANCE XCM328 (6GK5328-4TS01-2AC2) (All versions < V3.2), SCALANCE XCM332 (6GK5332-0GA01-2AC2) (All versions < V3.2), SCALANCE XRH334 (24 V DC, 8xFO, CC) (6GK5334-2TS01-2ER3) (All versions < V3.2), SCALANCE XRM334 (230 V AC, 12xFO) (6GK5334-3TS01-3AR3) (All versions < V3.2), SCALANCE XRM334 (230 V AC, 8xFO) (6GK5334-2TS01-3AR3) (All versions < V3.2), SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-3AR3) (All versions < V3.2), SCALANCE XRM334 (24 V DC, 12xFO) (6GK5334-3TS01-2AR3) (All versions < V3.2), SCALANCE XRM334 (24 V DC, 8xFO) (6GK5334-2TS01-2AR3) (All versions < V3.2), SCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-2AR3) (All versions < V3.2), SCALANCE XRM334 (2x230 V AC, 12xFO) (6GK5334-3TS01-4AR3) (All versions < V3.2), SCALANCE XRM334 (2x230 V AC, 8xFO) (6GK5334-2TS01-4AR3) (All versions < V3.2), SCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-4AR3) (All versions < V3.2). An internal session termination functionality in the web interface of affected products contains an incorrect authorization check vulnerability. This could allow an authenticated remote attacker with "guest" role to terminate legitimate users' sessions.

It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is uniquely identified as CVE-2025-40568 since 04/16/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/13/2026).

Upgrading to version 3.2 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (siemens): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: RUGGEDCOM RST2428P/SCALANCE XC316-8/SCALANCE XC324-4/SCALANCE XC324-4 EEC/SCALANCE XC332/SCALANCE XC416-8/SCALANCE XC424-4/SCALANCE XC432/SCALANCE XCH328/SCALANCE XCM324/SCALANCE XCM328/SCALANCE XCM332/SCALANCE XR302-32/SCALANCE XR322-12/SCALANCE XR326-8/SCALANCE XR326-8 EEC/SCALANCE XR502-32/SCALANCE XR522-12/SCALANCE XR526-8/SCALANCE XRH334/SCALANCE XRM334 3.2

Timelineinfo

04/16/2025 🔍
06/10/2025 +55 days 🔍
06/10/2025 +0 days 🔍
01/13/2026 +217 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-693776
Status: Confirmed

CVE: CVE-2025-40568 (🔍)
GCVE (CVE): GCVE-0-2025-40568
GCVE (VulDB): GCVE-100-311883

Entryinfo

Created: 06/10/2025 17:48
Updated: 01/13/2026 12:42
Changes: 06/10/2025 17:48 (76), 01/13/2026 12:42 (2)
Complete: 🔍
Cache ID: 216::103

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