CVE-2019-20855

EUVD-2019-11392
An issue was discovered in Mattermost Server before 5.16.1, 5.15.2, 5.14.5, and 5.9.6. It allows attackers to obtain sensitive information (local files) during legacy attachment migration.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 54%
Affected Products (NVD)
VendorProductVersion
mattermostmattermost_server
𝑥
< 5.9.6
mattermostmattermost_server
5.14.0 ≤
𝑥
< 5.14.5
mattermostmattermost_server
5.15.0 ≤
𝑥
< 5.15.2
mattermostmattermost_server
5.16.0 ≤
𝑥
< 5.16.1
𝑥
= Vulnerable software versions
References
https://mattermost.com/security-updates/
https://mattermost.com/security-updates/