What’s Vulnerable › Vulnerabilities
CVE-2020-13891
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-06-26 · updated 2026-06-17
Description
An issue was discovered in Mattermost Mobile Apps before 1.31.2 on iOS. Unintended third-party servers could sometimes obtain authorization tokens, aka MMSA-2020-0022.
Affected products
- Mattermost App Framework: before 1.31.2 — fixed in 1.31.2
How to fix
Upgrade to a fixed version: Mattermost App Framework 1.31.2. Check the vendor advisory for mitigations.
References
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