CVE-2023-3613
Guest accounts invited and added to channels by Welcomebot plugin
Severity Score
3.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Mattermost WelcomeBot plugin fails to to validate the membership status when inviting or adding users to channels allowing guest accounts to be added or invited to channels by default.
*Credits:
Jason Frerich
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-07-11 CVE Reserved
- 2023-07-17 CVE Published
- 2024-07-23 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-863: Incorrect Authorization
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://mattermost.com/security-updates | 2023-07-26 |
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" | < 7.8.6 Search vendor "Mattermost" for product "Mattermost Server" and version " < 7.8.6" | - |
Affected
| ||||||
| Mattermost Search vendor "Mattermost" | Mattermost Server Search vendor "Mattermost" for product "Mattermost Server" | >= 7.9.0 < 7.10.3 Search vendor "Mattermost" for product "Mattermost Server" and version " >= 7.9.0 < 7.10.3" | - |
Affected
| ||||||