CVE-2019-20846 : An issue was discovered in Mattermost Server before 5.18.0. It has weak permissi

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

Published 2020-06-19 14:15:11

Updated 2020-06-19 22:01:04

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2019-20846

Mattermost » Mattermost Server
Versions before (<) 5.18.0
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.21%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 40 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE-281 Improper Preservation of Permissions

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.

Assigned by: nvd@nist.gov (Primary)

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