CVE Vulnerability

CVE-2021-41239

Nextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did not consider the user enumeration settings by the administrator. This allowed a user to enumerate other users on the instance, even when user listings where disabled. It is recommended that the Nextcloud Server is upgraded to 20.0.14, 21.0.6 or 22.2.1. There are no known workarounds.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

5.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g722-cm3h-8wrx Issue Tracking Third Party Advisory
https://github.com/nextcloud/server/pull/29260 Patch Third Party Advisory
https://github.com/nextcloud/server/issues/27122 Issue Tracking Patch
https://security.gentoo.org/glsa/202208-17 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:22.2.0:*:*:*:*:*:*:*
Information

Published : 2022-03-08 06:15

Updated : 2022-10-24 04:42

NVD link : CVE-2021-41239

Mitre link : CVE-2021-41239

Products Affected
No products.
CWE
CWE-200