Detections
Analytics

CVE-2018-21260

low

Description

An issue was discovered in Mattermost Server before 4.8.1, 4.7.4, and 4.6.3. WebSocket events were accidentally sent during certain user-management operations, violating user privacy.

References

https://mattermost.com/security-updates/

Details

Source: Mitre, NVD

Published: 2020-06-19

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 2.7

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Severity: Low

EPSS

EPSS: 0.00232