CVE-2020-28391CWE-321

CVE-2020-28391: vulnerability in Siemens SCALANCE X-200 switch family (incl.

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3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 1.1%
A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.5.0), SCALANCE X-200RNA switch family (All versions < V3.2.7). Devices create a new unique key upon factory reset, except when used with C-PLUG. When used with C-PLUG the devices use the hardcoded private RSA-key shipped with the firmware-image. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.
Affected products
Siemens · SCALANCE X-200IRT switch family (incl. SIPLUS NET variants)Siemens · SCALANCE X-200RNA switch familySiemens · SCALANCE X-200 switch family (incl. SIPLUS NET variants)
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