// For flags

CVE-2023-1774

Unauthorized email invite to a private channel

Severity Score

5.4
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.

*Credits: hackit_BhaRat
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-03-31 CVE Reserved
  • 2023-03-31 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-10-21 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-862: Missing Authorization
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://mattermost.com/security-updates 2023-11-07
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mattermost
Search vendor "Mattermost"
Mattermost Server
Search vendor "Mattermost" for product "Mattermost Server"
< 7.1.6
Search vendor "Mattermost" for product "Mattermost Server" and version " < 7.1.6"
-
Affected
Mattermost
Search vendor "Mattermost"
Mattermost Server
Search vendor "Mattermost" for product "Mattermost Server"
7.7.1
Search vendor "Mattermost" for product "Mattermost Server" and version "7.7.1"
-
Affected