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.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25242
Reference (s):
- https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-07
- https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdf
- URL: https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdf