Siemens SIMATIC IPC377G Firmware vulnerabilities

9 CVEs affecting Siemens SIMATIC IPC377G Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-42554, published 2022-02-03.

Highest priority

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

CVE-2021-42059, published 2022-02-03. Medium severity, CVSS 6.7. EPSS: 0.3% chance of exploitation in the next 30 days. An issue was discovered in Insyde InsydeH2O Kernel 5.0 before 05.08.41, Kernel 5.1 before 05.16.41, Kernel 5.2 before 05.26.41, Kernel 5.3 before 05.35.41, and Kernel 5.4 before 05.42.20. A…
CVE-2021-33627, published 2022-02-03. High severity, CVSS 8.2. EPSS: 0.3% chance of exploitation in the next 30 days. An issue was discovered in Insyde InsydeH2O Kernel 5.0 before 05.09.11, 5.1 before 05.17.11, 5.2 before 05.27.11, 5.3 before 05.36.11, 5.4 before 05.44.11, and 5.5 before 05.52.11 affecting…
CVE-2021-42554, published 2022-02-03. High severity, CVSS 8.2. EPSS: 0.3% chance of exploitation in the next 30 days. An issue was discovered in Insyde InsydeH2O with Kernel 5.0 before 05.08.42, Kernel 5.1 before 05.16.42, Kernel 5.2 before 05.26.42, Kernel 5.3 before 05.35.42, Kernel 5.4 before 05.42.51, and Kernel…
CVE-2020-27339, published 2021-06-16. Medium severity, CVSS 6.7. EPSS: 0.3% chance of exploitation in the next 30 days. In the kernel in Insyde InsydeH2O 5.x, certain SMM drivers did not correctly validate the CommBuffer and CommBufferSize parameters, allowing callers to corrupt either the firmware or the OS memory.…
CVE-2021-33625, published 2022-02-03. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. Software SMI services that use the Communicate() function of the EFI_SMM_COMMUNICATION_PROTOCOL do not check whether…
CVE-2021-33626, published 2021-10-01. High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days. A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer).…
CVE-2021-41838, published 2022-02-03. High severity, CVSS 8.2. EPSS: 0.3% chance of exploitation in the next 30 days. An issue was discovered in SdHostDriver in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary…
CVE-2020-5953, published 2022-02-03. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. A vulnerability exists in System Management Interrupt (SWSMI) handler of InsydeH2O UEFI Firmware code located in SWSMI handler that dereferences gRT (EFI_RUNTIME_SERVICES) pointer to call a…
CVE-2021-41837, published 2022-02-03. High severity, CVSS 8.2. EPSS: 0.3% chance of exploitation in the next 30 days. An issue was discovered in AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able to…