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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
siemensCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 36%
VendorProductVersion
siemenssimatic_net_cp_343-1_advanced_firmware
*
siemenssimatic_net_cp_343-1_lean_firmware
*
siemenssimatic_net_cp_343-1_standard_firmware
*
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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