CVE-2021-43522

No fix known EPSS <1%

An issue was discovered in Insyde InsydeH2O with kernel 5.1 through 2021-11-08, 5.2 through 2021-11-08, and 5.3 through 2021-11-08. A StorageSecurityCommandDxe SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.

Published 2022-02-02 · CVE record · OSV

Products: Siemens RUGGEDCOM APE1808 - BIOS, Siemens SIMATIC Field PG M5, Siemens SIMATIC Field PG M6, Siemens SIMATIC IPC127E, Siemens SIMATIC IPC227G, Siemens SIMATIC IPC277G, Siemens SIMATIC IPC277G PRO, Siemens SIMATIC IPC327G, Siemens SIMATIC IPC377G, Siemens SIMATIC IPC427E, Siemens SIMATIC IPC477E, Siemens SIMATIC IPC477E PRO, Siemens SIMATIC IPC627E, Siemens SIMATIC IPC647E, Siemens SIMATIC IPC677E, Siemens SIMATIC IPC847E, Siemens SIMATIC ITP1000, Siemens SIPLUS IPC427E