What is CVE-2019-20855?

CVE-2019-20855 is a high-severity vulnerability in Mattermost Server. CVSS score: 7.5/10. Published 2020-06-19.

How severe is CVE-2019-20855?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Mattermost Server

CVE-2019-20855

An issue was discovered in Mattermost Server before 5.16.1, 5.15.2, 5.14.5, and 5.9.6. It allows attackers to obtain sensitive information (local files) during legacy attachment migration.

EPSS: 0.012 (64.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Mattermost Mattermost_server
N/a — versions n/a

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2019-20855?: CVE-2019-20855 is a high-severity vulnerability in Mattermost Server. CVSS score: 7.5/10. Published 2020-06-19.
How severe is CVE-2019-20855?: High severity. CVSS v3 base score is 7.5 out of 10.