CVE-2017-18888 is a critical SQL injection vulnerability affecting Mattermost Server versions prior to 4.3.0, 4.2.1, and 4.1.2. This flaw allows an unauthenticated attacker to execute arbitrary SQL commands during the process of fetching multiple posts. With a CVSS score of 9.8, it poses a severe risk, enabling full compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the vulnerability's ease of exploitation and high impact warrant immediate patching.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.1.2CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 4.2.0, < 4.2.1CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
4.3.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc1:*:*:*:*:*:* | ||
4.3.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc2:*:*:*:*:*:* | ||
4.3.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc3:*:*:*:*:*:* |
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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.