CVE-2019-20858 describes a denial-of-service vulnerability affecting Mattermost Server versions prior to 5.15.0. Attackers can exploit this flaw by sending crafted characters in a SQL LIKE clause to an APIv4 endpoint, leading to high CPU consumption. Rated 7.5 HIGH on CVSS, this network-exploitable vulnerability requires no user interaction and has a high impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.15.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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.
Remediation records are not available for this CVE.