Siemens SIMATIC Cfu Pa Firmware vulnerabilities

3 CVEs affecting Siemens SIMATIC Cfu Pa Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2022-25622, published 2022-04-12.

More from Siemens.

Highest priority

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

• CVE-2019-10936, published 2019-10-10. High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days. Affected devices improperly handle large amounts of specially crafted UDP packets. This could allow an unauthenticated remote attacker to trigger a denial of service condition.
• 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…
• CVE-2022-25622, published 2022-04-12. High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days. The PROFINET (PNIO) stack, when integrated with the Interniche IP stack, improperly handles internal resources for TCP segments where the minimum TCP-Header length is less than defined. This could…