Siemens SIMATIC Net CP 1543-1 Firmware vulnerabilities

5 CVEs affecting Siemens SIMATIC Net CP 1543-1 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-3449, published 2021-03-25.

Highest priority

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-2018-5391, published 2018-09-06. High severity, CVSS 7.5. EPSS: 32.4% chance of exploitation in the next 30 days. The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service…
CVE-2020-9273, published 2020-02-20. High severity, CVSS 8.8. EPSS: 12.1% chance of exploitation in the next 30 days. In ProFTPD 1.3.7, it is possible to corrupt the memory pool by interrupting the data transfer channel. This triggers a use-after-free in alloc_pool in pool.c, and possible remote code execution.
CVE-2020-27827, published 2021-03-18. High severity, CVSS 7.5. EPSS: 3.2% chance of exploitation in the next 30 days. A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of…
CVE-2020-9272, published 2020-02-20. High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days. ProFTPD 1.3.7 has an out-of-bounds (OOB) read vulnerability in mod_cap via the cap_text.c cap_to_text function.