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CVE Vulnerability Details :
CVE-2026-22924
PUBLISHED
More InfoOfficial Page
Assigner-siemens
Assigner Org ID-cec7a2ec-15b4-4faf-bd53-b40f371f3a77
View Known Exploited Vulnerability (KEV) details
Published At-12 May, 2026 | 08:20
Updated At-12 May, 2026 | 08:20
Rejected At-
▼CVE Numbering Authority (CNA)

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V5.0). The affected application does not properly restrict unauthenticated connections and is susceptible to resource exhaustion conditions. This could allow an attacker to disrupt normal operations or perform unauthorized actions, potentially impacting system availability and integrity.

Affected Products
Vendor
Siemens AGSiemens
Product
SIMATIC CN 4100
Default Status
unknown
Versions
Affected
  • From 0 before V5.0 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-306CWE-306: Missing Authentication for Critical Function
Type: CWE
CWE ID: CWE-306
Description: CWE-306: Missing Authentication for Critical Function
Metrics
VersionBase scoreBase severityVector
3.19.1CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
4.08.8HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Version: 3.1
Base score: 9.1
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Version: 4.0
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://cert-portal.siemens.com/productcert/html/ssa-032379.html
N/A
Hyperlink: https://cert-portal.siemens.com/productcert/html/ssa-032379.html
Resource: N/A
Details not found