Vulnerability Details CVE-2020-25242
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 35.8%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 7.8
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdf
- 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
- https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-07
Products affected by CVE-2020-25242
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cpe:2.3:h:siemens:simatic_net_cp_343-1_advanced:-
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cpe:2.3:h:siemens:simatic_net_cp_343-1_lean:-
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cpe:2.3:h:siemens:simatic_net_cp_343-1_standard:-
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cpe:2.3:o:siemens:simatic_net_cp_343-1_advanced_firmware:*
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cpe:2.3:o:siemens:simatic_net_cp_343-1_lean_firmware:*
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cpe:2.3:o:siemens:simatic_net_cp_343-1_standard_firmware:*