Vulnerability Intelligence Report
CVE-2021-41842
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 a CommBuffer check.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
EPSS Probability:1.53%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| insyde | insydeh2o | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.534%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2021-10-01T00:00:00 |
| Published | 2022-01-05T23:07:11 |
| Last Updated | 2024-08-04T03:22:25 |
Community Chatter & Buzz