Vulnerability in Mattermost Server

CVE-2019-20890

An issue was discovered in Mattermost Server before 5.7. It allows a bypass of e-mail address discovery restrictions.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-20890: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

References

Frequently asked questions

What is CVE-2019-20890?
CVE-2019-20890 is a medium-severity vulnerability in Mattermost Server. CVSS score: 4.3/10. Published 2020-06-19.
How severe is CVE-2019-20890?
Medium severity. CVSS v3 base score is 4.3 out of 10.