CVE-2020-13891

7.5 highEPSS 1.1%

High (7.5) in mattermost mattermost. EPSS 1.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
Published: 2020-06-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mattermost:mattermost

References

https://mattermost.com/security-updates/
https://mattermost.com/security-updates/

Check your stack JSON