CVE-2019-20888

An issue was discovered in Mattermost Server before 5.7, 5.6.3, 5.5.2, and 4.10.5. It allows attackers to cause a denial of service (memory consumption) via an outgoing webhook or a slash command integration.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 59%
VendorProductVersion
mattermostmattermost_server
𝑥
< 4.10.5
mattermostmattermost_server
5.5.0 ≤
𝑥
< 5.5.2
mattermostmattermost_server
5.6.0 ≤
𝑥
< 5.6.3
mattermostmattermost_server
5.7.0:rc1
mattermostmattermost_server
5.7.0:rc2
mattermostmattermost_server
5.7.0:rc3
mattermostmattermost_server
5.7.0:rc4
mattermostmattermost_server
5.7.0:rc5
mattermostmattermost_server
5.7.0:rc6
𝑥
= Vulnerable software versions