What is the CVSS score of CVE-2023-49691?

CVE-2023-49691 has a CVSS 3.1 base score of 6.7 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

6Gk6108 4Am00 2Ba2 Firmware CVE-2023-49691

MEDIUM

OS Command Injection (CWE-78)

2023-12-12 productcert@siemens.com

6.7

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-78 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization OS command sanitization, avoid shell exec MITRE ATT&CK 2 techniques across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 6.7 (MEDIUM). Attack characteristics: local attack vector, low complexity, high privileges required, no user interaction not required.
Exploit ScenarioDerived	A local attacker with access to the system could execute arbitrary operating system commands on the host.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.6% exploitation probability (EPSS)

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AnalysisAI

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

Affects your stack

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. 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 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 (6GK5876-3AA02-2BA2) (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). An Improper Neutralization of Special Elements used in an OS Command with root privileges vulnerability exists in the handling of the DDNS configuration. This could allow malicious local administrators to issue commands on system level after a successful IP address update. Affected products include: Siemens 6Gk6108-4Am00-2Ba2 Firmware, Siemens 6Gk6108-4Am00-2Da2 Firmware, Siemens 6Gk5804-0Ap00-2Aa2 Firmware, Siemens 6Gk5812-1Aa00-2Aa2 Firmware, Siemens 6Gk5812-1Ba00-2Aa2 Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.7 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

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 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 (6GK5876-3AA02-2BA2) (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). An Improper Neutralization of Special Elements used in an OS Command with root privileges vulnerability exists in the handling of the DDNS configuration. This could allow malicious local administrators to issue commands on system level after a successful IP address update.

Threat Intelligence Overview

EPSS Score

0.6%

Top 53% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.6%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Defer

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +34

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

OS Command Injection CRITICAL

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)NVD

cpe:2.3:o:siemens:6gk6108-4am00-2ba2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk6108-4am00-2da2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5804-0ap00-2aa2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5812-1aa00-2aa2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5812-1ba00-2aa2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5816-1aa00-2aa2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5816-1ba00-2aa2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5826-2ab00-2ab2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5874-2aa00-2aa2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5874-3aa00-2aa2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5876-3aa02-2ba2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5876-3aa02-2ea2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5876-4aa10-2ba2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5876-4aa00-2ba2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5876-4aa00-2da2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5853-2ea00-2da1_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5856-2ea00-3da1_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5856-2ea00-3aa1_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5615-0aa00-2aa2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:6gk5615-0aa01-2aa2_firmware:*:*:*:*:*:*:*:*

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References

Advisories & patches

ADVISORY https://cert-portal.siemens.com/productcert/pdf/ssa-180704.pdf REF https://cert-portal.siemens.com/productcert/html/ssa-180704.html REF https://cert-portal.siemens.com/productcert/html/ssa-602936.html REF https://cert-portal.siemens.com/productcert/html/ssa-690517.html

Search Externally

GitHub PoC

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