CVE-2026-22924
Last modified
CVE-2026-22924 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
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/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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Simatic Cn 4100 Firmware | < 5.0 |
References
- https://cert-portal.siemens.com/productcert/html/ssa-032379.htmlMitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-22924?
How severe is CVE-2026-22924?
How do I fix CVE-2026-22924?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-22918An attacker may exploit missing protection against clickjack…8.2
- CVE-2026-22919An attacker with administrative access may inject malicious …4.8
- CVE-2026-2292The Morkva UA Shipping plugin for WordPress is vulnerable to…4.4
- CVE-2026-22920Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2026-22922Apache Airflow versions 3.1.0 through 3.1.6 contain an autho…6.5
- CVE-2026-22923A vulnerability has been identified in NX (All versions < V2…7.8
- CVE-2026-22925A vulnerability has been identified in SIMATIC CN 4100 (All …8.7
- CVE-2026-22926Omnissa Workspace ONE® Assist for macOS contains a Local Pri…7.8
- CVE-2026-22927Omnissa Workspace ONE® Tunnel for Windows addresses a Loca…7.8
- CVE-2026-2293A NestJS application using @nestjs/platform-fastify can allo…9.8
- CVE-2026-2294The UiPress lite | Effortless custom dashboards, admin theme…4.3
- CVE-2026-2295The WPZOOM Addons for Elementor – Starter Templates & Widget…5.3
Are you affected by CVE-2026-22924?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST