CVE-2021-33592 is a critical vulnerability affecting NAVER Toolbar versions prior to 4.0.30.323. It allows remote attackers to execute arbitrary code by manipulating special characters in a crafted upgrade.xml filename, bypassing code signing checks. With a CVSS score of 9.8 (Critical), this vulnerability is easily exploitable over a network with low attack complexity, leading to high impacts on confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.0.30.323CPE matchmatch criteria | cpe:2.3:a:naver:toolbar:*:*:*:*:*:*:*:* |
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.
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.