CVE Vulnerability

CVE-2021-37630

Nextcloud Circles is an open source social network built for the nextcloud ecosystem. In affected versions the Nextcloud Circles application allowed any user to join any "Secret Circle" without approval by the Circle owner leaking private information. It is recommended that Nextcloud Circles is upgraded to 0.19.15, 0.20.11 or 0.21.4. There are no workarounds for this issue.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-56j9-3rj4-wvgm Third Party Advisory
https://github.com/nextcloud/circles/pull/768 Patch Third Party Advisory
https://hackerone.com/reports/1257624 Permissions Required Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:nextcloud:circles:*:*:*:*:*:*:*:*
cpe:2.3:a:nextcloud:circles:*:*:*:*:*:*:*:*
cpe:2.3:a:nextcloud:circles:*:*:*:*:*:*:*:*
Information

Published : 2021-09-07 08:15

Updated : 2021-09-14 04:29

NVD link : CVE-2021-37630

Mitre link : CVE-2021-37630

Products Affected
No products.
CWE
CWE-639