What’s Vulnerable › Vulnerabilities
CVE-2017-18901
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.9% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-06-19 · updated 2026-06-17
- Weakness: CWE-200
Description
An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. It allows attackers to discover a team invite ID by requesting a JSON document.
Affected products
- Mattermost: before 3.10.3; from 4.0.0 before 4.0.4 — fixed in 3.10.3, 4.0.4
How to fix
Upgrade to a fixed version: Mattermost 3.10.3, 4.0.4. Check the vendor advisory for mitigations.
References
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