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CVE-2023-49252

HIGH
7.5
CVSS Score
Published: January 9, 2024 at 10:00 AM UTC
Updated: June 17, 2026 at 06:35 AM UTC
2 products affected across 1 vendorSIMATIC Cn 4100 FirmwareSIMATIC CN 4100

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SIMATIC Cn 4100 Firmware· Siemens
95%
v < 2.7
siemens-simatic-cn-4100 (same device)
SIMATIC CN 4100· Siemens
60%
All versions < V2.7
Affected range stops below 2.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

PatchVendor Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-777015.pdf

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHsiemens
Vector?

Quick Info

StatusANALYZED
CWE
CWE-20NVD-CWE-noinfo

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