CVE-2023-1777
March 31, 2023
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.
Affected Packages
github.com/mattermost/mattermost-server (GO):
Affected version(s) >=v7.1.0 <v7.1.6Fix Suggestion:
Update to version v7.1.6github.com/mattermost/mattermost-server/v6 (GO):
Affected version(s) >=v6.0.0-20211025164829-f7a8147b825c <v6.0.0-20230301145909-10be118d99a5Fix Suggestion:
Update to version v6.0.0-20230301145909-10be118d99a5github.com/mattermost/mattermost-server (GO):
Affected version(s) =v7.8.0 <v7.8.1Fix Suggestion:
Update to version v7.8.1github.com/mattermost/mattermost-server (GO):
Affected version(s) >=v7.7.0 <v7.7.2Fix Suggestion:
Update to version v7.7.2Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
EPSS
Base Score:
0.31