Vulnerability Details : CVE-2021-42059

An issue was discovered in Insyde InsydeH2O Kernel 5.0 before 05.08.41, Kernel 5.1 before 05.16.41, Kernel 5.2 before 05.26.41, Kernel 5.3 before 05.35.41, and Kernel 5.4 before 05.42.20. A stack-based buffer overflow leads toarbitrary code execution in UEFI DisplayTypeDxe DXE driver.
Published 2022-02-03 02:15:07
Updated 2022-04-18 18:02:45
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowMemory Corruption

Exploit prediction scoring system (EPSS) score for CVE-2021-42059

EPSS FAQ
0.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-42059

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
 HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
 NIST
6.7
 MEDIUM CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
0.8
5.9
 NIST

CWE ids for CVE-2021-42059

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-42059

Products affected by CVE-2021-42059

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