Buffer overflow in Insyde Insydeh2o

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 cod…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (24.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-42059?
CVE-2021-42059 is a medium-severity vulnerability in Insyde Insydeh2o, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2022-02-03.
How severe is CVE-2021-42059?
Medium severity. CVSS v3 base score is 6.7 out of 10.