CVE-2018-21253 describes a vulnerability in Mattermost Server versions prior to 5.1, 5.0.2, and 4.10.2, where an attacker could leverage the invite_people slash command to invite unauthorized users. This issue has a CVSS score of 4.3 (Medium), indicating a low-complexity network attack requiring low privileges, with a potential impact of low integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.10.2CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 5.0.0, < 5.0.2CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
5.1.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:5.1.0:rc1:*:*:*:*:*:* | ||
5.1.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:5.1.0:rc2:*:*:*:*:*:* | ||
5.1.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:5.1.0: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.
Remediation records are not available for this CVE.