CVE-2023-39281 is a critical stack buffer overflow vulnerability in Insyde InsydeH2O firmware (kernel versions 5.0-5.5), impacting AMD and Intel platforms, which allows for arbitrary code execution during the DXE phase. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While there is no public exploit code or active exploitation reported, its high severity and critical nature warrant immediate attention. Community discussion and media coverage are limited but indicate some awareness.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
05.45.24.0039CPE matchmatch criteria | cpe:2.3:a:insyde:insydeh2o:05.45.24.0039:*:*:*:*:*:*:* | ||
05.44.45.0017CPE matchmatch criteria | cpe:2.3:a:insyde:insydeh2o:05.44.45.0017:*:*:*:*:*:*:* | ||
05.44.34.0055CPE matchmatch criteria | cpe:2.3:a:insyde:insydeh2o:05.44.34.0055:*:*:*:*:*:*:* | ||
05.53.28.0013CPE matchmatch criteria | cpe:2.3:a:insyde:insydeh2o:05.53.28.0013:*:*:*:*:*:*:* | ||
05.45.38.0005CPE matchmatch criteria | cpe:2.3:a:insyde:insydeh2o:05.45.38.0005:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
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.