CVE Vulnerabilities

CVE-2019-20846

Improper Preservation of Permissions

Published: Jun 19, 2020 | Modified: Jun 19, 2020

CVSS 3.x

7.5

HIGH

Source:

NVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS 2.x

5 MEDIUM

RedHat/V2

RedHat/V3

Ubuntu

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2019-20846
CWE	https://cwe.mitre.org/data/definitions/281.html

An issue was discovered in Mattermost Server before 5.18.0. It has weak permissions for server-local file storage.

Weakness

The product does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objects, which can cause them to have less restrictive permissions than intended.

Affected Software

Name	Vendor	Start Version	End Version
Mattermost_server	Mattermost	*	5.18.0 (excluding)

References

https://mattermost.com/security-updates/

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