CVE-2019-20877

An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information about whether someone has 2FA enabled.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 46%
VendorProductVersion
mattermostmattermost_server
𝑥
< 4.10.8
mattermostmattermost_server
5.7.0 ≤
𝑥
< 5.7.3
mattermostmattermost_server
5.8.0 ≤
𝑥
< 5.8.1
mattermostmattermost_server
5.9.0:rc1
mattermostmattermost_server
5.9.0:rc2
mattermostmattermost_server
5.9.0:rc3
mattermostmattermost_server
5.9.0:rc4
𝑥
= Vulnerable software versions
References
https://mattermost.com/security-updates/
https://mattermost.com/security-updates/