CVE-2022-35895 is a high-severity memory corruption vulnerability affecting Insyde InsydeH2O firmware versions 5.0 through 5.5. It stems from improper input validation in the FwBlockSericceSmm driver, allowing an attacker with high privileges to corrupt arbitrary memory, including SMRAM, potentially leading to arbitrary code execution. The CVSS score is 8.2 (High), indicating a local attack with low complexity and high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.0, < 05.09.37CPE matchmatch criteria | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | ||
>= 5.1, < 05.17.37CPE matchmatch criteria | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | ||
>= 5.2, < 05.27.29CPE matchmatch criteria | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | ||
>= 5.3, < 05.36.29CPE matchmatch criteria | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | ||
>= 5.4, < 05.44.29CPE matchmatch criteria | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.