CVE-2017-18884: High severity mattermost vulnerability
Published Jun 19, 2020
·Updated
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to gain privileges by using a registered OAuth application with personal access tokens.
Affected Software
6 affected components
Mattermost Mattermost Server<4.1.2
Mattermost Mattermost Server>=4.2.0<4.2.1
Mattermost Mattermost Server=4.3.0-rc1
Mattermost Mattermost Server=4.3.0-rc2
Mattermost Mattermost Server=4.3.0-rc3
Mattermost Mattermost Server=4.3.0-rc4
Event History
Jun 19, 2020
CVE Published
via MITRE·06:08 PM
Data Sourced
via MITRE·06:08 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2017-18884?
CVE-2017-18884 has a high severity due to the potential for privilege escalation in Mattermost Server.
2
How do I fix CVE-2017-18884?
To fix CVE-2017-18884, upgrade Mattermost Server to version 4.3.0 or later.
3
What are the affected versions in CVE-2017-18884?
CVE-2017-18884 affects Mattermost Server versions prior to 4.3.0, including 4.2.1 and 4.1.2.
4
What type of attack is CVE-2017-18884 associated with?
CVE-2017-18884 is associated with an attack that leverages registered OAuth applications to gain unauthorized privileges.
5
What software does CVE-2017-18884 impact?
CVE-2017-18884 impacts Mattermost Server software prior to version 4.3.0.