CVE-2019-20880

Published: Jun 19, 2020Modified: Jun 17, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

An issue was discovered in Mattermost Server before 5.8.0, 5.7.2, 5.6.5, and 4.10.7. It allows attackers to cause a denial of service (memory consumption) via OpenGraph.

Affected (7)

Products: Mattermost: Mattermost Server

Mattermost

1 product

Mattermost Server

Configuration A

7 vulnerable

Vulnerable Software	Affected Versions
Mattermost Mattermost Server	Before 4.10.7
Mattermost Mattermost Server	From 5.6.0 to 5.6.5
Mattermost Mattermost Server	From 5.7.0 to 5.7.2
Mattermost Mattermost Server	Version 5.8.0 rc1
Mattermost Mattermost Server	Version 5.8.0 rc2
Mattermost Mattermost Server	Version 5.8.0 rc3
Mattermost Mattermost Server	Version 5.8.0 rc4

Related CWEs

CWE-770

Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

References (2)

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

Source: cve@mitre.org

Vendor Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.