CVE-2021-43323
Published: 03 February 2022
Summary
CVE-2021-43323 is a high-severity an unspecified weakness vulnerability in Insyde Insydeh2O. Its CVSS base score is 8.2 (High).
Operationally, ranked at the 32.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-30262
Vulnerability details
An issue was discovered in UsbCoreDxe in Insyde InsydeH2O with kernel 5.5 before 05.51.45, 5.4 before 05.43.45, 5.3 before 05.35.45, 5.2 before 05.26.45, 5.1 before 05.16.45, and 5.0 before 05.08.45. An SMM callout vulnerability allows an attacker to hijack execution…
more
flow of code running in System Management Mode. Exploiting this issue could lead to escalating privileges to SMM.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.