What is CVE-2020-5956?

CVE-2020-5956 is a high-severity vulnerability in Insyde Insydeh2o, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2022-01-05.

How severe is CVE-2020-5956?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Insyde Insydeh2o

CVE-2020-5956

An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.008 (53.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Insyde Insydeh2o
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2020-5956?: CVE-2020-5956 is a high-severity vulnerability in Insyde Insydeh2o, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2022-01-05.
How severe is CVE-2020-5956?: High severity. CVSS v3 base score is 7.5 out of 10.