CVE-2020-15791: Medium severity Siemens Simatic S7-300 Cpu 312 Firmware vulnerability
A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 CPU family (incl. SIPLUS variants) (All versions), SIMATIC WinAC RTX (F) 2010 (All versions), SINUMERIK 840D sl (All versions). The authentication protocol between a client and a PLC via port 102/tcp (ISO-TSAP) insufficiently protects the transmitted password. This could allow an attacker that is able to intercept the network traffic to obtain valid PLC credentials.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2020-15791?
The severity of CVE-2020-15791 is medium with a CVSS score of 6.5.
What software versions are affected by CVE-2020-15791?
CVE-2020-15791 affects SIMATIC S7-300 CPU family, SIMATIC S7-400 CPU family, SIMATIC WinAC RTX (F) 2010, and SINUMERIK 840D sl.
How does CVE-2020-15791 impact Siemens Simatic S7-300 Cpu 312?
Siemens Simatic S7-300 Cpu 312 is not vulnerable to CVE-2020-15791.
What is the Common Weakness Enumeration (CWE) ID of CVE-2020-15791?
The Common Weakness Enumeration (CWE) ID of CVE-2020-15791 is 522.
How can I fix CVE-2020-15791?
To fix CVE-2020-15791, it is recommended to apply the security patches provided by Siemens.