CVE-2017-18883

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2017-18883
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-18883.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2017-18883
Aliases
Published
2020-06-19T19:15:10.310Z
Modified
2025-12-09T17:56:01.770439Z
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
Introduced
a5ce36d0882ae1b4b409a7b68233bf89591a5f95
Fixed
c0aafbcdc221970054869b6c03db77c1dcc63289

Affected versions

v4.*

v4.2.0
v4.2.0-rc4

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-18883.json"

Git / github.com/mattermost/mattermost-server

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost-server
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
61d6a7434b18612c52d0d6b7565032065262e096

Affected versions

v0.*

v0.5.0
v0.6.0

v1.*

v1.0.0
v1.1.0
v1.1.1
v1.2.1
v1.3.0
v1.4.0

v2.*

v2.0.0

v3.*

v3.0.0
v3.0.1
v3.0.2
v3.0.3
v3.1.0
v3.2.0
v3.3.0
v3.4.0
v3.5.0
v3.5.1
v3.6.0
v3.6.1
v3.7.0
v3.7.1
v3.7.2
v3.7.3
v3.8.0

v4.*

v4.0.0
v4.0.1
v4.1.0
v4.1.1
v4.1.1-rc1

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-18883.json"