CVE-2023-4105 — Missing Authorization in Mattermost Mattermost-server V6

CWE-862 — Missing AuthorizationCWE-284 — Improper Access Control4 documents4 sources
Severity
4.3MEDIUMNVD
CNA3.1
EPSS
0.3%
top 51.70%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Github.com Mattermost Mattermost-server V6Mattermost
Timeline
PublishedAug 11

Description

Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages3 packages

▶NVDmattermost/mattermost7.8.0 — 7.8.8+2
▶CVEListV5mattermost/mattermost7.8.7+2

🔴Vulnerability Details

3
GHSA
Mattermost fails to correctly delete attachments↗2023-08-11
▶
OSV
Mattermost fails to correctly delete attachments↗2023-08-11
▶
CVEList
Attachment of deleted message in a thread remains accessible and downloadable↗2023-08-11
▶
CVE-2023-4105 — Missing Authorization | cvebase