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Medium severity4.3NVD Advisory· Published Jun 19, 2020· Updated Jun 17, 2026

CVE-2018-21253

CVE-2018-21253

Description

An issue was discovered in Mattermost Server before 5.1, 5.0.2, and 4.10.2. An attacker could use the invite_people slash command to invite a non-permitted user.

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: <4.10.2
    • cpe:2.3:a:mattermost:mattermost_server:5.1.0:rc1:*:*:*:*:*:*
    • cpe:2.3:a:mattermost:mattermost_server:5.1.0:rc2:*:*:*:*:*:*
    • cpe:2.3:a:mattermost:mattermost_server:5.1.0:rc3:*:*:*:*:*:*
    • cpe:2.3:a:mattermost:mattermost_server:5.1.0:rc4:*:*:*:*:*:*
    • (no CPE)range: <5.1, 5.0.2, 4.10.2
  • Mattermost/Serverdescription

Patches

Vulnerability mechanics

References

1

News mentions

0

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