CVE-2017-18899 describes an improper resource consumption vulnerability (CWE-770) in Mattermost Server versions prior to 4.2.0, 4.1.1, and 4.0.5, where the application mishandles IP-based rate limiting. This medium-severity vulnerability (CVSS 5.3) can be exploited remotely with low attack complexity, potentially leading to a denial of service (availability impact). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage 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.
Remediation records are not available for this CVE.