CVE-2018-20743 describes a denial-of-service vulnerability in Mumble's Murmur server component, affecting versions through 1.2.19 prior to 2018-08-31, including Debian distributions. This flaw allows remote attackers to cause a daemon hang or crash by flooding the server with multiple concurrent requests that are then mishandled and persisted in the database. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity and no user interaction, leading to a complete loss of availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.2.19CPE matchmatch criteria | cpe:2.3:a:mumble:mumble:*:*:*:*:*:*:*:* | ||
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:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.