CVE-2017-18883
- Source
- https://cve.org/CVERecord?id=CVE-2017-18883
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-18883.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2017-18883
- Aliases
- Downstream
- Related
- Published
- 2020-06-19T19:15:10Z
- Modified
- 2026-08-27T08:18:57Z
- Severity
-
- 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
Affected packages
Git / github.com/mattermost/mattermost
Affected ranges
- Type
- GIT
- Repo
- https://github.com/mattermost/mattermost
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedIntroducedFixedIntroducedLast Affected
- Database specific
-
Show details
{ "cpe": [ "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc1:*:*:*:*:*:*", "cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc2:*:*:*:*:*:*", "cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc3:*:*:*:*:*:*", "cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc4:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "0" }, { "fixed": "4.1.2" }, { "introduced": "4.2.0" }, { "fixed": "4.2.1" }, { "introduced": "4.3.0-rc1" }, { "last_affected": "4.3.0-rc1" }, { "introduced": "4.3.0-rc2" }, { "last_affected": "4.3.0-rc2" }, { "introduced": "4.3.0-rc3" }, { "last_affected": "4.3.0-rc3" }, { "introduced": "4.3.0-rc4" }, { "last_affected": "4.3.0-rc4" } ], "source": [ "CPE_RANGE", "CPE_STRING" ] }