Siemens SIMATIC MV500 Firmware vulnerabilities

2 CVEs affecting Siemens SIMATIC MV500 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2020-28400, published 2021-07-13.

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

• CVE-2021-3449, published 2021-03-25. Medium severity, CVSS 5.9. EPSS: 63.5% chance of exploitation in the next 30 days. An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where…
• CVE-2020-28400, published 2021-07-13. High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days. Affected devices contain a vulnerability that allows an unauthenticated attacker to trigger a denial of service condition. The vulnerability can be triggered if a large amount of DCP reset packets…