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Critical severity9.8NVD Advisory· Published Jun 19, 2020· Updated Jun 17, 2026

CVE-2017-18920

CVE-2017-18920

Description

An issue was discovered in Mattermost Server before 3.6.2. The WebSocket feature does not follow the Same Origin Policy.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3

Mattermost/Mattermost2 versions
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*range: <3.6.2
- (no CPE)range: <3.6.2
Mattermost/Serverdescription

Patches

Vulnerability mechanics

References

1

mattermost.com/security-updates/nvdVendor Advisory

News mentions

0

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