CVE-2020-25242: High severity siemens simatic net cp 343-1 advanced firmware vulnerability
A vulnerability has been identified in SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions). Specially crafted packets sent to TCP port 102 could cause a Denial-of-Service condition on the affected devices. A cold restart might be necessary in order to recover.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2020-25242?
The severity of CVE-2020-25242 is classified as high due to the potential remote code execution risk.
How do I fix CVE-2020-25242?
To fix CVE-2020-25242, apply the latest firmware updates provided by Siemens for the affected SIMATIC NET CP 343-1 devices.
What systems are affected by CVE-2020-25242?
CVE-2020-25242 affects all versions of Siemens SIMATIC NET CP 343-1 Advanced, Lean, and Standard including SIPLUS variants.
What type of attack is facilitated by CVE-2020-25242?
CVE-2020-25242 allows attackers to send specially crafted packets to TCP port 102, potentially causing a denial of service.
Is there a workaround for CVE-2020-25242 if I cannot apply the patch immediately?
A temporary workaround for CVE-2020-25242 includes disabling TCP port 102 communication until the firmware update can be applied.