CVE-2023-1777 — Sensitive Information Exposure in Mattermost Mattermost-server

CWE-200 — Sensitive Information ExposureCWE-668 — Resource Exposure4 documents4 sources
Severity
5.3MEDIUMNVD
CNA6.5
EPSS
0.3%
top 45.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Github.com Mattermost Mattermost-serverGithub.com Mattermost Mattermost-server V6Mattermost Server+1 more
Timeline
PublishedMar 31

Description

Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages4 packages

▶CVEListV5mattermost/mattermost6.3.0 — 7.7.1+2

🔴Vulnerability Details

3
GHSA
Mattermost vulnerable to information disclosure↗2023-03-31
▶
CVEList
Information disclosure in linked message previews↗2023-03-31
▶
OSV
Mattermost vulnerable to information disclosure↗2023-03-31
▶
CVE-2023-1777 — Sensitive Information Exposure | cvebase