CVE-2018-21260 is a privacy vulnerability affecting Mattermost Server versions prior to 4.8.1, 4.7.4, and 4.6.3, where WebSocket events inadvertently disclosed user-management operation details. This vulnerability has a low CVSS score of 2.7, indicating low impact on confidentiality with no integrity or availability concerns, and requires high privileges to exploit over a network. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.6.0, < 4.6.3CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 4.7.0, < 4.7.4CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 4.8.0, < 4.8.1CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.0 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.