
CVE catalog
CVE-2026-22924
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
- Severity
- Critical · CVSS 9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.30% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | simatic_cn_4100_firmware | Not reported | 5.0 | fixed |
| Cpe | simatic_cn_4100_firmware | Not reported | 5.0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | simatic_cn_4100_firmware | cpe | Not reported | 5.0 | Not reported | Not reported | Not reported |
| Cpe | simatic_cn_4100_firmware | cpe | Not reported | 5.0 | Not reported | NVD-CVE-2026-22924 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: