PT-2021-21745
CVE-2021-37630
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Published
2021-09-07
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Updated
2021-09-14
Description by
CVSS 3.1
6.5
MediumMetricsAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Name of the Vulnerable Software and Affected Versions
Nextcloud Circles versions prior to 0.19.15
Nextcloud Circles versions prior to 0.20.11
Nextcloud Circles versions prior to 0.21.4
Description
The Nextcloud Circles application allowed any user to join any "Secret Circle" without approval by the Circle owner, potentially leaking private information.
Recommendations
For versions prior to 0.19.15, upgrade to 0.19.15.
For versions prior to 0.20.11, upgrade to 0.20.11.
For versions prior to 0.21.4, upgrade to 0.21.4.
As a temporary workaround, consider restricting access to "Secret Circles" until the issue is resolved.
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