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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
GitHub_MCNA
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 54%
VendorProductVersion
nextcloudcircles
𝑥
< 0.19.5
nextcloudcircles
0.20.0 ≤
𝑥
< 0.20.11
nextcloudcircles
0.21.0 ≤
𝑥
< 0.21.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/nextcloud/circles/pull/768
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-56j9-3rj4-wvgm
https://hackerone.com/reports/1257624
https://github.com/nextcloud/circles/pull/768
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-56j9-3rj4-wvgm
https://hackerone.com/reports/1257624