CVE-2020-28395: Critical severity siemens scalance x-200 switch family vulnerability
A vulnerability has been identified in SCALANCE X-200RNA switch family (All versions < V3.2.7), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions < V4.1.0). Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-28395.
Which devices are affected by this vulnerability?
The SCALANCE X-200RNA switch family (All versions < V3.2.7) and SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions < V4.1.0) are affected by this vulnerability.
What is the severity of CVE-2020-28395?
The severity of CVE-2020-28395 is medium with a CVSS score of 5.9.
What is the impact of this vulnerability?
An attacker could exploit this vulnerability to leverage the lack of a unique private key after a factory reset.
Are there any known security advisories related to this vulnerability?
Yes, there are security advisories available for this vulnerability. You can find them at the following references: [link1](https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf), [link2](https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02).