CVE-2017-18891: Medium severity mattermost vulnerability
Published Jun 19, 2020
·Updated
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows Phishing because an error page can have a link.
Affected Software
6 affected components
Mattermost Mattermost Server<4.0.5
Mattermost Mattermost Server>=4.1.0<4.1.1
Mattermost Mattermost Server=4.2.0-rc1
Mattermost Mattermost Server=4.2.0-rc2
Mattermost Mattermost Server=4.2.0-rc3
Mattermost Mattermost Server=4.2.0-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-2017-18891?
CVE-2017-18891 is considered a moderate severity vulnerability due to its potential for phishing attacks.
2
How do I fix CVE-2017-18891?
To fix CVE-2017-18891, upgrade your Mattermost Server to version 4.2.0 or later.
3
What versions of Mattermost Server are affected by CVE-2017-18891?
CVE-2017-18891 affects Mattermost Server versions prior to 4.2.0, as well as versions 4.1.1 and 4.0.5.
4
What type of attack does CVE-2017-18891 enable?
CVE-2017-18891 enables phishing attacks by allowing malicious links on error pages.
5
Is there a workaround for CVE-2017-18891?
There is no official workaround for CVE-2017-18891; the recommended solution is to upgrade the affected software.