What is the CVSS score of CVE-2023-49252?

CVE-2023-49252 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.2%.

Which versions of Simatic Cn 4100 Firmware are affected by CVE-2023-49252?

Organizations using A vulnerability face notable risk from CVE-2023-49252, a input validation vulnerability rated CVSS 7.5. Exploitation could compromise the security of affected deployments.. A patch is available.

How to fix or mitigate CVE-2023-49252?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Simatic Cn 4100 Firmware CVE-2023-49252

HIGH

Improper Input Validation (CWE-20)

2024-01-09 productcert@siemens.com

Denial Of Service Simatic Cn 4100 Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:34 vuln.today

Patch released

Mar 28, 2026 - 19:34 nvd

Patch available

CVE Published

Jan 09, 2024 - 10:15 nvd

HIGH 7.5

DescriptionCVE.org

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The affected application allows IP configuration change without authentication to the device. This could allow an attacker to cause denial of service condition.

AnalysisAI

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-20. A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The affected application allows IP configuration change without authentication to the device. This could allow an attacker to cause denial of service condition. Affected products include: Siemens Simatic Cn 4100 Firmware.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.