VulnerabilityModified
CVE-2023-29131
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.5).
CRITICAL 10.0EPSS 0.42%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.42% probability · 36th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-276
- Affected
- siemens/simatic cn 4100 firmware
- Source
- productcert@siemens.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.