Siemens SIMATIC CP 343-1 Advanced Firmware vulnerabilities

2 CVEs affecting Siemens SIMATIC CP 343-1 Advanced Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-33737, published 2021-09-14.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2019-13946, published 2020-02-11. High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days. Profinet-IO (PNIO) stack versions prior V06.00 do not properly limit internal resource allocation when multiple legitimate diagnostic package requests are sent to the DCE-RPC interface. This could…
• CVE-2021-33737, published 2021-09-14. High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC CP 343-1 (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 ERPC (All versions),…