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CRITICAL · 9.1

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 Description

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.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MattermostMattermost< 1.26.0

Related Weaknesses (CWE)

CWE-22

References

FAQ

What is CVE-2019-20851?

CVE-2019-20851 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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.

How severe is CVE-2019-20851?

CVE-2019-20851 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-20851?

Check the references section above for vendor advisories and patch information. Affected products include: Mattermost Mattermost.