CVE-2019-20860 is a denial-of-service vulnerability affecting Mattermost Server versions prior to 5.14.0, 5.13.3, 5.12.6, and 5.9.4. A remote attacker can exploit this by submitting a specially crafted SVG document, causing the application to hang. Rated Medium severity (CVSS 5.5), this vulnerability requires user interaction (UI:R) and has a low attack complexity (AC:L), but does not involve privilege escalation or impact confidentiality or integrity. 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 |
|---|---|---|---|
< 5.9.4CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 5.12.0, < 5.12.6CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 5.13.0, < 5.13.3CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
5.14.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:5.14.0:rc1:*:*:*:*:*:* | ||
5.14.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:5.14.0:rc2:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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.