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Medium severity6.5NVD Advisory· Published Jun 19, 2020· Updated Jun 17, 2026

CVE-2019-20844

CVE-2019-20844

Description

An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. An attacker can spoof a direct-message channel by changing the type of a channel.

AI Insight

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

Affected products

7
  • Mattermost/Mattermost6 versions
    cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*+ 5 more
    • cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*range: <5.9.7
    • cpe:2.3:a:mattermost:mattermost_server:5.18.0:rc1:*:*:*:*:*:*
    • cpe:2.3:a:mattermost:mattermost_server:5.18.0:rc2:*:*:*:*:*:*
    • cpe:2.3:a:mattermost:mattermost_server:5.18.0:rc3:*:*:*:*:*:*
    • cpe:2.3:a:mattermost:mattermost_server:5.18.0:rc4:*:*:*:*:*:*
    • (no CPE)range: <5.18.0, <5.17.2, <5.16.4, <5.15.4, <5.9.7
  • Mattermost/Serverdescription

Patches

Vulnerability mechanics

References

1

News mentions

0

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