NextcloudGHSA-VJ5Q-F63M-WP77Global site selector authentication bypass
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.6 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
40.9%
Description
Impact
A problem in the password verification method allows an attacker to authenticate as another user.
Patches
It is recommended that the Nextcloud Global Site Selector is upgraded to 1.4.1, 2.1.2, 2.3.4 or 2.4.5
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
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.6 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
40.9%