CVE-2021-41842
Critical
Published: 06 January 2022
Published
06 January 2022
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0122
79.4th percentile
Risk Priority
20
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-41842 is a critical-severity an unspecified weakness vulnerability in Insyde Insydeh2O. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 20.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-28843
Vulnerability details
An issue was discovered in AtaLegacySmm in the kernel 5.0 before 05.08.46, 5.1 before 05.16.46, 5.2 before 05.26.46, 5.3 before 05.35.46, 5.4 before 05.43.46, and 5.5 before 05.51.45 in Insyde InsydeH2O. Code execution can occur because the SMI handler lacks…
more
a CommBuffer check.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
insyde
insydeh2o
5.0 — 05.08.46 · 5.1 — 05.16.46 · 5.2 — 05.26.46
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.