CVE-2019-20878

MEDIUM 4.3CVE-2019-20878 · Published 19/06/2020 · updated 17/06/2026

In short

CVE-2019-20878 is a MEDIUM (CVSS 4.3) vulnerability affecting mattermost server (mattermost).
Chance of exploitation in the next 30 days (EPSS): 0.74%, higher than 54.8% of all vulnerabilities.
Fix: update to 5.7.3, 5.8.1, 4.10.8 or later.

Package	Affected versions	Patched versions
mattermost server mattermost	`= 5.9.0≥ 5.7.0, < 5.7.3≥ 5.8.0, < 5.8.1< 4.10.8`	`5.7.35.8.14.10.8`

Description

An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. Changes, within the application, to e-mail addresses are mishandled.

References

mattermost.com/security-updates · Vendor Advisory

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Package

Affected versions

Patched versions

mattermost server

mattermost

= 5.9.0≥ 5.7.0, < 5.7.3≥ 5.8.0, < 5.8.1< 4.10.8

5.7.35.8.14.10.8

More vulnerabilities in mattermost server

See all →