CVE-2019-20889 is a medium-severity vulnerability affecting Mattermost Server versions prior to 5.7, 5.6.3, 5.5.2, and 4.10.5. It stems from improper permission handling during user-access token creation, allowing for unauthorized information disclosure. With a CVSS score of 5.3, this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to a loss of integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.10.0, < 4.10.5CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 5.5.0, < 5.5.2CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 5.6.0, < 5.6.3CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
5.7.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc1:*:*:*:*:*:* | ||
5.7.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc2:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.