NextcloudGHSA-VV27-G2HQ-V48HMissing brute force protection on OAuth2 API controller
5.8 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
0.001 Low
EPSS
Percentile
20.8%
Description
Impact
Missing protection allows an attacker to brute force the client secrets of configured OAuth2 clients.
Patches
It is recommended that the Nextcloud Server is upgraded to 25.0.9, 26.0.4 or 27.0.1
It is recommended that the Nextcloud Enterprise Server is upgraded to22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, 26.0.4 or 27.0.1
Workarounds
- No workaround available
References
For more information
If you have any questions or comments about this advisory:
- Create a post in nextcloud/security-advisories
- Customers: Open a support ticket at portal.nextcloud.com
Related
5.8 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
0.001 Low
EPSS
Percentile
20.8%