Security Resilience

CVE-2023-44374

Siemens 6Gk5205-3Bb00-2Ab2 Firmware ≤ 4.5

Published
14 November 2023
Modified
14 January 2025
Patch / advisory
View advisory
CVSS Score v4 7.1
Click a component to see what it means
Raw vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/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
EPSS Score 0.0067 51th percentile
Risk Priority 37 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-44374 is a high-severity Unsynchronized Access to Shared Data in a Multithreaded Context (CWE-567) vulnerability in Siemens 6Gk5205-3Bb00-2Ab2 Firmware. Its CVSS base score is 7.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Steganography (T1001.002); ranked in the top 49% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V8.0), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V8.0), SCALANCE M804PB (6GK5804-0AP00-2AA2) (All versions < V8.0), SCALANCE M812-1 ADSL-Router (6GK5812-1AA00-2AA2) (All versions < V8.0), SCALANCE…

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M812-1 ADSL-Router (6GK5812-1BA00-2AA2) (All versions < V8.0), SCALANCE M816-1 ADSL-Router (6GK5816-1AA00-2AA2) (All versions < V8.0), SCALANCE M816-1 ADSL-Router (6GK5816-1BA00-2AA2) (All versions < V8.0), SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) (All versions < V8.0), SCALANCE M874-2 (6GK5874-2AA00-2AA2) (All versions < V8.0), SCALANCE M874-3 (6GK5874-3AA00-2AA2) (All versions < V8.0), SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) (All versions < V8.0), SCALANCE M876-4 (6GK5876-4AA10-2BA2) (All versions < V8.0), SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) (All versions < V8.0), SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) (All versions < V8.0), SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) (All versions < V8.0), SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) (All versions < V8.0), SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) (All versions < V8.0), SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) (All versions < V8.0), SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) (All versions < V8.0), SCALANCE WAB762-1 (6GK5762-1AJ00-6AA0) (All versions < V3.0.0), SCALANCE WAM763-1 (6GK5763-1AL00-7DA0) (All versions < V3.0.0), SCALANCE WAM763-1 (ME) (6GK5763-1AL00-7DC0) (All versions < V3.0.0), SCALANCE WAM763-1 (US) (6GK5763-1AL00-7DB0) (All versions < V3.0.0), SCALANCE WAM766-1 (6GK5766-1GE00-7DA0) (All versions < V3.0.0), SCALANCE WAM766-1 (ME) (6GK5766-1GE00-7DC0) (All versions < V3.0.0), SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0) (All versions < V3.0.0), SCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0) (All versions < V3.0.0), SCALANCE WAM766-1 EEC (ME) (6GK5766-1GE00-7TC0) (All versions < V3.0.0), SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0) (All versions < V3.0.0), SCALANCE WUB762-1 (6GK5762-1AJ00-1AA0) (All versions < V3.0.0), SCALANCE WUB762-1 iFeatures (6GK5762-1AJ00-2AA0) (All versions < V3.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3AA0) (All versions < V3.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3DA0) (All versions < V3.0.0), SCALANCE WUM763-1 (US) (6GK5763-1AL00-3AB0) (All versions < V3.0.0), SCALANCE WUM763-1 (US) (6GK5763-1AL00-3DB0) (All versions < V3.0.0), SCALANCE WUM766-1 (6GK5766-1GE00-3DA0) (All versions < V3.0.0), SCALANCE WUM766-1 (ME) (6GK5766-1GE00-3DC0) (All versions < V3.0.0), SCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0) (All versions < V3.0.0). Affected devices allow to change the password, but insufficiently check which password is to be changed. With this an authenticated attacker could, under certain conditions, be able to change the password of another, potential admin user, which could allow to escalate privileges.

CWE(s)
CWE-567

Related Threats

MITRE ATT&CK Enterprise Techniques

T1001.002 Steganography Command And Control
Adversaries may use steganographic techniques to hide command and control traffic to make detection efforts more difficult.
attack.mitre.org →
T1006 Direct Volume Access Stealth
Adversaries may directly access a volume to bypass file access controls and file system monitoring.
attack.mitre.org →
T1007 System Service Discovery Discovery
Adversaries may try to gather information about registered local system services.
attack.mitre.org →
T1014 Rootkit Stealth
Adversaries may use rootkits to hide the presence of programs, files, network connections, services, drivers, and other system components.
attack.mitre.org →
T1016.001 Internet Connection Discovery Discovery
Adversaries may check for Internet connectivity on compromised systems.
attack.mitre.org →
T1016.002 Wi-Fi Discovery Discovery
Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-44320Same product: Siemens 6Ag1206-2Bb00-7Ac2
CVE-2023-44322Same product: Siemens 6Ag1206-2Bb00-7Ac2
CVE-2023-44318Same product: Siemens 6Ag1206-2Bb00-7Ac2
CVE-2023-44319Same product: Siemens 6Ag1206-2Bb00-7Ac2
CVE-2023-44321Same product: Siemens 6Ag1206-2Bb00-7Ac2
CVE-2023-44373Same product: Siemens 6Ag1206-2Bb00-7Ac2
CVE-2025-14017Shared CWE-567
CVE-2023-38076Same vendor: Siemens
CVE-2023-37247Same vendor: Siemens
CVE-2024-33489Same vendor: Siemens

Affected Assets

siemens
6gk5205-3bb00-2ab2 firmware
≤ 4.5
siemens
6gk5205-3bb00-2tb2 firmware
≤ 4.5
siemens
6gk5205-3bd00-2tb2 firmware
≤ 4.5
siemens
6gk5205-3bd00-2ab2 firmware
≤ 4.5
siemens
6gk5205-3bf00-2tb2 firmware
≤ 4.5
siemens
6gk5205-3bf00-2ab2 firmware
≤ 4.5
siemens
6gk5208-0ba00-2tb2 firmware
≤ 4.5
siemens
6gk5208-0ba00-2ab2 firmware
≤ 4.5
siemens
6gk5213-3bd00-2tb2 firmware
≤ 4.5
siemens
6gk5213-3bd00-2ab2 firmware
≤ 4.5
+61 more product configuration(s) — see NVD for full list

Mitigating Controls

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 partial match
blocks

Secure SDLC practices directly require thread-safety mechanisms that prevent unsynchronized shared-data access.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.5.8 Information security in project management partial match
removes
A.8.25 Secure development life cycle partial match
blocks

Secure development lifecycle includes thread-safety and concurrency requirements that reduce unsynchronized access.

A.8.26 Application security requirements partial match
blocks

A.8.26 only requires that security requirements (including resilience against attacks such as buffer overflows or SQL injection) be identified and specified during development or acquisition; it does not itself enforce synchronization of shared data or stop the race condition from being exploitable.

A.8.27 Secure system architecture and engineering principles partial match
blocks

Secure architecture principles address concurrency and shared-state protection mechanisms.

A.8.28 Secure coding partial match
prevents

Secure coding standards directly require synchronization of shared variables across threads.

A.8.29 Security testing in development and acceptance partial match
finds

Security testing can detect race conditions but does not itself prevent the weakness.

References