Siemens Scalance x204 Irt Firmware vulnerabilities

4 CVEs affecting Siemens Scalance x204 Irt Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2020-28400, published 2021-07-13.

Highest priority

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

CVE-2021-29998, published 2021-04-13. Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days. An issue was discovered in Wind River VxWorks before 6.5. There is a possible heap overflow in dhcp client.
CVE-2021-25669, published 2021-04-22. Critical severity, CVSS 9.8. EPSS: 2.1% chance of exploitation in the next 30 days. A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT PRO (All versions < 5.5.1), SCALANCE X202-2 IRT…
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-2021-25668, published 2021-04-22. Critical severity, CVSS 9.8. EPSS: 1.6% chance of exploitation in the next 30 days. A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT PRO (All versions < 5.5.1), SCALANCE X202-2 IRT…