CVE-2018-21251

Description

An issue was discovered in Mattermost Server before 5.2 and 5.1.1. Authorization could be bypassed if the channel name were not the same in the params and the body.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.41%
Vendor Advisory mattermost.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://mattermost.com/security-updates/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-21251?
CVE-2018-21251 has been scored as a critical severity vulnerability.
How to fix CVE-2018-21251?
To fix CVE-2018-21251, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-21251 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-21251 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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