CVE-2017-18870 describes a medium-severity access control vulnerability in Mattermost Server versions prior to 4.5.0, 4.4.5, and 4.3.4. The flaw specifically involves mishandling webhook access when the "EnableOnlyAdminIntegrations" setting is active, potentially allowing unauthorized users to create webhooks. With a CVSS score of 4.3, this issue has a low attack complexity and requires low privileges, but its impact is limited to low integrity. 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 |
|---|---|---|---|
< 4.3.4CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 4.4.0, < 4.4.5CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
4.5.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:4.5.0:rc1:*:*:*:*:*:* | ||
4.5.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:4.5.0:rc2:*:*:*:*:*:* | ||
4.5.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:4.5.0:rc3:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/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 0.1 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.