Siemens Siplus s7-1500 CPU 1515r-2 Pn Firmware vulnerabilities

3 CVEs affecting Siemens Siplus s7-1500 CPU 1515r-2 Pn Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2023-46156, published 2023-12-12.

Highest priority

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

CVE-2023-46156, published 2023-12-12. High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days. Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to create a denial of service condition. A restart is needed to restore normal…
CVE-2023-28831, published 2023-09-12. High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days. The OPC UA implementations (ANSI C and C++) in affected products contain an integer overflow vulnerability that could cause the application to run into an infinite loop during certificate…
CVE-2022-38773, published 2023-01-10. Medium severity, CVSS 6.8. EPSS: 0.3% chance of exploitation in the next 30 days. Affected devices do not contain an Immutable Root of Trust in Hardware. With this the integrity of the code executed on the device can not be validated during load-time. An attacker with physical…