CVE-2019-20846

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

CVE

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

HIGH · CVSS 7.5 EPSS 0.00209

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

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Weakness Classification

CWE-281Improper Preservation of Permissions

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Affected Products & Versions

mattermost server< 5.18.0

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Scoring & Timeline

7.5

HIGH · CVSS v3.1 · cve@mitre.org

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Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD19 Jun 2020 · 02:15 PM

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

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

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

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