CVE-2020-5955 is a critical privilege escalation vulnerability affecting Insyde InsydeH2O firmware on Intel client chipsets, specifically within the Int15MicrocodeSmm component. With a CVSS score of 9.8, this flaw allows an unauthenticated network attacker to achieve full compromise (confidentiality, integrity, and availability) with low attack complexity. Despite its severity, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 05.32.30.0001CPE matchmatch criteria | cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* | ||
< 05.41.35.0001CPE matchmatch criteria | cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* | ||
< 05.42.11.0026CPE matchmatch criteria | cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* | ||
< 05.04.21.0068CPE matchmatch criteria | cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* | ||
< 05.42.09.0003CPE matchmatch criteria | cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* |
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
No social media mentions found for this CVE.
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.
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.