CVE-2020-4067 describes an information leakage vulnerability in coturn versions prior to 4.5.1.3, affecting products like Canonical, Debian, and Fedora. An attacker could exploit improperly initialized STUN/TURN response buffers to extract sensitive data from other client connections. With a CVSS score of 7.5 (High), this vulnerability allows for high confidentiality impact without requiring user interaction or complex attack vectors. Currently, there is no known public exploit code (Metasploit, Nuclei, ExploitDB) and no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.5.1.3CPE matchmatch criteria | cpe:2.3:a:coturn_project:coturn:*:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
31CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.