CVE-2019-20855
- Source
- https://cve.org/CVERecord?id=CVE-2019-20855
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20855.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2019-20855
- Published
- 2020-06-19T15:15:10.430Z
- Modified
- 2026-07-08T19:50:23.970681Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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.
- 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 affectedFixedIntroducedFixedIntroducedFixedIntroducedFixed
- Database specific
{ "source": "CPE_RANGE", "cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "extracted_events": [ { "introduced": "0" }, { "fixed": "5.9.6" }, { "introduced": "5.14.0" }, { "fixed": "5.14.5" }, { "introduced": "5.15.0" }, { "fixed": "5.15.2" }, { "introduced": "5.16.0" }, { "fixed": "5.16.1" } ] }
Affected versions
v0.*
v0.5.0
v4.*
v4.10.0-rc1
v4.2.0-rc1
v4.3.0-rc1
v4.4.0-rc1
v4.5.0-rc1
v4.6.0-rc1
v4.6.0-rc2
v4.7.0-rc1
v4.8.0-rc1
v4.9.0-rc1
v5.*
v5.0.0-rc1
v5.1.0-rc1
v5.14.0
v5.14.0-rc5
v5.14.1
v5.14.1-rc1
v5.14.2
v5.14.2-rc1
v5.14.3
v5.14.3-rc1
v5.14.4
v5.14.4-rc1
v5.15.0
v5.15.0-rc4
v5.15.1
v5.15.1-rc1
v5.16.0
v5.16.0-rc3
v5.2.0-rc1
v5.2.0-rc2
v5.8.0
v5.8.0-rc1
v5.8.0-rc2
v5.8.0-rc3
v5.8.0-rc4
v5.9.0
v5.9.0-rc1
v5.9.0-rc2
v5.9.0-rc3
v5.9.0-rc4
v5.9.1
v5.9.1-rc1
v5.9.2
v5.9.2-rc1
v5.9.3
v5.9.3-rc1
v5.9.4
v5.9.4-rc1
v5.9.5
v5.9.5-rc1