Vulnerability Monitor

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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.

Published

2021-09-07T20:15:07.847

Last Modified

2024-11-21T06:15:33.660

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-639
Type: Primary
CWE-639

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nextcloud	circles	< 0.19.5	Yes
Application	nextcloud	circles	< 0.20.11	Yes
Application	nextcloud	circles	< 0.21.4	Yes

References

https://github.com/nextcloud/circles/pull/768 Patch, Third Party Advisory ([email protected])
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-56j9-3rj4-wvgm Third Party Advisory ([email protected])
https://hackerone.com/reports/1257624 Permissions Required, Third Party Advisory ([email protected])
https://github.com/nextcloud/circles/pull/768 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-56j9-3rj4-wvgm Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/1257624 Permissions Required, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)