CVE-2021-37630: medium-severity vulnerability in nextcloud security-advisories
Secret Circle can be joined without approval in Nextcloud Circles
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 1.2%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
nextcloud · security-advisoriesRelated CVEs — nextcloud security-advisories
In the same product, most dangerous first.
CVE-2022-24838MEDIUMCommand Injection in Appointment Emails for Nextcloud CalendarEPSS 33.0%CVE-2023-26482CRITICALScope of workflow operations is not validated in nextcloud serverEPSS 4.2%CVE-2021-32802CRITICALPreview generation used third-party library not suited for user-generated content in Nextcloud serverEPSS 2.6%CVE-2022-31014MEDIUMSMTP Command Injection in iCalendar Attachments to emails via newlines in Nextcloud ServerEPSS 2.5%CVE-2021-32688HIGHApplication specific tokens can change their own scopeEPSS 2.3%CVE-2021-37628HIGHFile Drop can be bypassed using Richdocuments app in nextcloudEPSS 2.1%