CVE-2018-21257

2020-06-1917:15:12

Google

osv.dev

6.9 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

30.6%

JSON

An issue was discovered in Mattermost Server before 5.1. It allows attackers to bypass intended access restrictions (for setting a channel header) via the Channel header slash command API.

CPENameOperatorVersion
mattermost-servereq4.5.1
mattermost-servereq4.5.0-rc4
mattermost-servereq3.0.3
mattermost-servereq4.7.1-rc1
mattermost-servereq4.5.0-rc2
mattermost-servereq4.8.0
mattermost-servereq5.1.0-rc3
mattermost-servereq4.3.0-rc2
mattermost-servereq4.1.0
mattermost-servereq3.4.0

Name	Operator	Version
mattermost-server	eq	4.5.1
mattermost-server	eq	4.5.0-rc4
mattermost-server	eq	3.0.3
mattermost-server	eq	4.7.1-rc1
mattermost-server	eq	4.5.0-rc2
mattermost-server	eq	4.8.0
mattermost-server	eq	5.1.0-rc3
mattermost-server	eq	4.3.0-rc2
mattermost-server	eq	4.1.0
mattermost-server	eq	3.4.0

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References

mattermost.com/security-updates/