Vulnerability in Insyde Insydeh2o
CVE-2021-42113
An issue was discovered in StorageSecurityCommandDxe in Insyde InsydeH2O with Kernel 5.1 before 05.14.28, Kernel 5.2 before 05.24.28, and Kernel 5.3 before 05.32.25. An SMM callout vulnerability allows an attacker to hijack execution flow of code running in System Management Mode. Exploiting this issue could lead to escalating privileges to SMM.
EPSS: 0.003 (21.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Insyde Insydeh2o
- N/a — versions n/a
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2021-42113?
- CVE-2021-42113 is a high-severity vulnerability in Insyde Insydeh2o. CVSS score: 8.2/10. Published 2022-02-03.
- How severe is CVE-2021-42113?
- High severity. CVSS v3 base score is 8.2 out of 10.