CVE-2021-33626 | BDVDB-2026-161813 Detail
SiemensRUGGEDCOM APE1808 - BIOS
Description#
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). This can be used by an attacker to corrupt data in SMRAM memory and even lead to arbitrary code execution.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- https://www.insyde.com/security-pledge
- https://www.insyde.com/security-pledge/SA-2021001
- https://security.netapp.com/advisory/ntap-20220216-0006/
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
- https://www.kb.cert.org/vuls/id/796611
- https://cert-portal.siemens.com/productcert/html/ssa-306654.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.