CVE-2019-20859 describes a critical vulnerability in Mattermost Server versions prior to 5.15.0, allowing for a bypass of login access control through specially crafted input. This vulnerability carries a high CVSS score of 7.5, indicating it can be exploited remotely with low complexity and without user interaction, potentially leading to a complete compromise of confidentiality. Despite its severity, there is no evidence of active exploitation, nor is public exploit code available, and it has garnered minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.10.8CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 5.7.0, < 5.7.3CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 5.8.0, < 5.8.1CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
5.9.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:5.9.0:rc1:*:*:*:*:*:* | ||
5.9.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:5.9.0:rc2:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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.