What’s Vulnerable › Vulnerabilities
CVE-2020-14456
- Severity: high (CVSS 7.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% 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-346
Description
An issue was discovered in Mattermost Desktop App before 4.4.0. The Same Origin Policy is mishandled during access-control decisions for web APIs, aka MMSA-2020-0006.
Affected products
- Mattermost Desktop: before 4.4.0 — fixed in 4.4.0
How to fix
Upgrade to a fixed version: Mattermost Desktop 4.4.0. Check the vendor advisory for mitigations.
References
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