CVE-2023-29131
CRITICALCVSS 10/10EPSS 0.36%
Last modified
CVE-2023-29131 is a critical-severity vulnerability rated 10/10 on the CVSS scale. A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.5). Affected device consists of an incorrect default value in the SSH configuration. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
Description
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.5). Affected device consists of an incorrect default value in the SSH configuration. This could allow an attacker to bypass network isolation.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Simatic Cn 4100 Firmware | < 2.5 |
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-313488.pdfPatch, Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-313488.pdfPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-29131?
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.5). Affected device consists of an incorrect default value in the SSH configuration. This could allow an attacker to bypass network isolation.
How severe is CVE-2023-29131?
CVE-2023-29131 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.
How do I fix CVE-2023-29131?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-29131?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST