CVE-2017-18915 describes a critical vulnerability in Mattermost Server versions prior to 3.8.2, 3.7.5, and 3.6.7, where an attacker could gain unauthorized API Endpoint access after a server restart. This vulnerability carries a CVSS score of 9.8 (Critical), indicating a network-exploitable flaw with low attack complexity, requiring no user interaction, and leading to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation is confirmed, the vulnerability has garnered some community discussion and media coverage, suggesting awareness within the security community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.6.0, < 3.6.7CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 3.7.0, < 3.7.5CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 3.8.0, < 3.8.2CPE 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:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.