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Status published
Critical
CVE-2017-18883
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1,...
Vulnerability Description
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2, when serving as an OAuth 2.0 Service Provider. There is low entropy for authorization data.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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CVE-2020-14458
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Affected Vendor
mattermost
View all reports →Affected Software
mattermost server
Vulnerable Versions:
0, 4.2.0, 4.3.0
Timeline
Official Publish:
June 19th, 2020
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.