What is CVE-2019-20851?

CVE-2019-20851 is a critical-severity vulnerability in Mattermost, classified under Path Traversal. CVSS score: 9.1/10. Published 2020-06-19.

How severe is CVE-2019-20851?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Path Traversal in Mattermost

CVE-2019-20851

An issue was discovered in Mattermost Mobile Apps before 1.26.0. An attacker can use directory traversal with the Video Preview feature to overwrite arbitrary files on a device.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.014 (69.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Mattermost
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2019-20851?: CVE-2019-20851 is a critical-severity vulnerability in Mattermost, classified under Path Traversal. CVSS score: 9.1/10. Published 2020-06-19.
How severe is CVE-2019-20851?: Critical severity. CVSS v3 base score is 9.1 out of 10.