Improper input validation in Insyde Insydeh2o
CVE-2022-35896
An issue SMM memory leak vulnerability in SMM driver (SMRAM was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An attacker can dump SMRAM contents via the software SMI provided by the FvbServicesRuntimeDxe driver to read the contents of SMRAM, leading to information disclosure.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (23.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
Weakness classification (CWE)
References
- www.insyde.com/security-pledge (Vendor Advisory)
- www.insyde.com/security-pledge/SA-2022034 (Vendor Advisory)
- binarly.io/advisories/BRLY-2022-025/index.html (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-35896?
- CVE-2022-35896 is a medium-severity vulnerability in Insyde Insydeh2o, classified under Improper Input Validation. CVSS score: 6.0/10. Published 2022-09-22.
- How severe is CVE-2022-35896?
- Medium severity. CVSS v3 base score is 6.0 out of 10.