CVE-2023-2787

Mattermost fails to check channel membership when accessing message threads, allowing an attacker to access arbitrary posts by using the message threads API.

ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
MattermostCNA
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 35%
VendorProductVersion
mattermostmattermost
7.1.0 ≤
𝑥
≤ 7.1.9
mattermostmattermost
7.8.0 ≤
𝑥
≤ 7.8.4
mattermostmattermost
7.9.0 ≤
𝑥
≤ 7.9.3
mattermostmattermost
7.10.0
𝑥
= Vulnerable software versions