CVE-2017-18896
MEDIUM5.3EPSS 0.19%Mattermost Server allows attackers to log sensitive information via DEBUG REST API logging endpoint
Published: 5/24/2022Modified: 2/3/2026
Description
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows attackers to add DEBUG lines to the logs via a REST API version 3 logging endpoint.
Affected packages (2)
- Go/github.com/mattermost/mattermost-server>= 4.1.0, < 4.1.1
- Go/github.com/mattermost/mattermost-serverfrom 0, < 4.0.5+incompatible, >= 4.1.0+incompatible, < 4.1.1+incompatible, >= 4.2.0-rc1+incompatible, < 4.2.0+incompatible
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
References (7)
- ADVISORYhttps://github.com/advisories/GHSA-63wg-qmrv-7q66
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2017-18896
- WEBhttps://github.com/mattermost/mattermost
- WEBhttps://github.com/mattermost/mattermost/commit/3c34e2b2dcb0fde96a10e68d877aa7d0ab511669
- WEBhttps://github.com/mattermost/mattermost/commit/722fb1947a2e7395ccf16adce9206736d803a9f3
- WEBhttps://github.com/mattermost/mattermost/commit/d38328976e2c8bb0fab91e656042a0d8ac37bc76
- WEBhttps://mattermost.com/security-updates