Improper input validation in Insyde Insydeh2o
CVE-2022-35893
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM memory corruption vulnerability in the FvbServicesRuntimeDxe driver allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (12.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
Weakness classification (CWE)
References
- www.insyde.com/security-pledge (Vendor Advisory)
- www.insyde.com/security-pledge/SA-2022035 (Vendor Advisory)
- binarly.io/advisories/BRLY-2022-026/index.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-35893?
- CVE-2022-35893 is a high-severity vulnerability in Insyde Insydeh2o, classified under Improper Input Validation. CVSS score: 8.2/10. Published 2022-09-23.
- How severe is CVE-2022-35893?
- High severity. CVSS v3 base score is 8.2 out of 10.