CVE-2021-36710 describes an incorrect access control vulnerability in ToaruOS 1.99.2, stemming from improper Memory Management Unit (MMU) handling that allows userland mapping of low GDT addresses. This flaw enables a local attacker to escalate privileges to CPL 0 by writing a call gate. With a CVSS score of 8.8 (High), this vulnerability poses a significant risk of complete compromise (confidentiality, integrity, availability) to affected systems, requiring only low privileges and no user interaction. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.99.2CPE matchmatch criteria | cpe:2.3:o:toaruos:toaruos:1.99.2:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/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.