GHSA-9rr5-q43r-ccv4

Suggest an improvement
Source
https://github.com/advisories/GHSA-9rr5-q43r-ccv4
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-9rr5-q43r-ccv4/GHSA-9rr5-q43r-ccv4.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-9rr5-q43r-ccv4
Aliases
Published
2022-05-24T17:21:03Z
Modified
2025-12-09T17:42:35.318613Z
Severity
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Mattermost Server does not prevent System Admin from arbitrary file creation
Details

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can create arbitrary files.

Database specific 
{
    "severity": "MODERATE",
    "github_reviewed_at": "2025-12-04T17:45:46Z",
    "cwe_ids": [
        "CWE-22"
    ],
    "nvd_published_at": "2020-06-19T17:15:00Z",
    "github_reviewed": true
}
References

Affected packages

Go

github.com/mattermost/mattermost-server

Package

Name
github.com/mattermost/mattermost-server
View open source insights on deps.dev
Purl
pkg:golang/github.com/mattermost/mattermost-server

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.1.2-0.20171004201910-6be8113eb60c

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-9rr5-q43r-ccv4/GHSA-9rr5-q43r-ccv4.json"

github.com/mattermost/mattermost-server

Package

Name
github.com/mattermost/mattermost-server
View open source insights on deps.dev
Purl
pkg:golang/github.com/mattermost/mattermost-server

Affected ranges

Type
SEMVER
Events
Introduced
4.2.0-rc1.0.20171004154238-fadd9514f6e7
Fixed
4.2.1-0.20171004194140-6d3cb2ce07fc

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-9rr5-q43r-ccv4/GHSA-9rr5-q43r-ccv4.json"

github.com/mattermost/mattermost-server

Package

Name
github.com/mattermost/mattermost-server
View open source insights on deps.dev
Purl
pkg:golang/github.com/mattermost/mattermost-server

Affected ranges

Type
SEMVER
Events
Introduced
4.3.0-rc1
Fixed
4.3.0

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-9rr5-q43r-ccv4/GHSA-9rr5-q43r-ccv4.json"