Undergoing Analysis
CVE has been recently published to the CVE List and has been received by the NVD.
CVE has been recently published to the CVE List and has been received by the NVD.
Products
Mattermost
- 9.5.0 - 9.5.6
- 9.7.0 - 9.7.5
- 9.8.0 - 9.8.1
- 9.9.0
Source
responsibledisclosure@mattermost.com
Tags
CVE-2024-39839 details
Published : Aug. 1, 2024, 3:15 p.m.
Last Modified : Aug. 1, 2024, 4:45 p.m.
Last Modified : Aug. 1, 2024, 4:45 p.m.
Description
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to disallow users to set their own remote username, when shared channels were enabled, which allows a user on a remote to set their remote username prop to an arbitrary string, which would be then synced to the local server as long as the user hadn't been synced before.
CVSS Score
| 1 | 2 | 3 | 4.3 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|
Weakness
| Weakness | Name | Description |
|---|---|---|
| CWE-284 | Improper Access Control | The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. |
CVSS Data
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Base Score
4.3
Exploitability Score
2.8
Impact Score
1.4
Base Severity
MEDIUM
Vector String : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
References
| URL | Source |
|---|---|
| https://mattermost.com/security-updates | responsibledisclosure@mattermost.com |
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