CVE-2017-18878
MEDIUM4.3EPSS 0.24%Mattermost Server allows users with a session ID to revoke another users' session in github.com/mattermost/mattermost-server
Published: 5/24/2022Modified: 12/15/2025
Description
Mattermost Server allows users with a session ID to revoke another users' session in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/mattermost/mattermost-server before v4.1.2-0.20171004201910-6be8113eb60c, before v4.2.1-0.20171004192657-8fbbd688ea24.
Affected packages (2)
- Go/github.com/mattermost/mattermost-serverfrom 0, < 4.1.2-0.20171004201910-6be8113eb60c
- Go/github.com/mattermost/mattermost-server>= 4.3.0-rc1+incompatible, < 4.3.0+incompatible
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
References (7)
- ADVISORYhttps://github.com/advisories/GHSA-h564-6gc2-fcc6
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2017-18878
- PATCHhttps://github.com/mattermost/mattermost
- WEBhttps://github.com/mattermost/mattermost/commit/6be8113eb60cf5ddd2dc1c3f4db05cae0c183086
- WEBhttps://github.com/mattermost/mattermost/commit/8fbbd688ea2466dd0d70e9c07e9703d78f8a19a5
- WEBhttps://github.com/mattermost/mattermost/commit/affd35071ea155069979fd359726296de8aa6aaf
- WEBhttps://mattermost.com/security-updates