CVE-2019-20865 describes a Cross-Site Request Forgery (CSRF) vulnerability on the login page of Mattermost Server versions prior to 5.12.0, 5.11.1, 5.10.2, 5.9.2, and 4.10.10. This high-severity flaw, rated 8.8 CVSS, allows an unauthenticated attacker to potentially compromise confidentiality, integrity, and availability with low attack complexity, requiring user interaction. Despite its severity, 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 |
|---|---|---|---|
< 4.10.10CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 5.9.0, < 5.9.2CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 5.10.0, < 5.10.2CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 5.11.0, < 5.11.1CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
5.12.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:5.12.0:rc1:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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 0.1 Security Researcher mentions.
Remediation records are not available for this CVE.