CVE-2017-18898 is a denial-of-service vulnerability affecting Mattermost Server versions prior to 4.2.0, 4.1.1, and 4.0.5. This flaw allows an unauthenticated attacker to send specially crafted posts that can cause a user's web browser to hang, leading to a low availability impact. While the CVSS score is 5.3 (Medium), indicating low attack complexity and no user interaction required, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.0.5CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 4.1.0, < 4.1.1CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
4.2.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:4.2.0:rc1:*:*:*:*:*:* | ||
4.2.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:4.2.0:rc2:*:*:*:*:*:* | ||
4.2.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:4.2.0:rc3:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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.