CVE-2023-35927
CVSS 3.1 Score 8.1 of 10 (high)
Details
Summary
CVE-2023-35927 affects NextCloud Server and NextCloud Enterprise Server versions 25.0.0 to 26.0.2 and 21.0.0 to 25.0.7, respectively. These versions allow a malicious server to modify or delete VCards in the system address book on an origin server if both servers have been registered as trusted. This vulnerability impacts user search and avatar menu information. Patches are available in versions 25.0.7 and 26.0.2 for NextCloud Server and versions 21.0.9.12, 22.2.10.12, 23.0.12.7, 24.0.12.2, 25.0.7, and 26.0.2 for NextCloud Enterprise Server. A workaround involves removing all trusted servers and triggering a recreation of the local system address book using the `occ dav:sync-system-addressbook` command.
Prevent cyber attacks with Recorded Future by prioritizing and patching critical vulnerabilities being exploited by threat actors targeting your industry. Book your demo to learn more.
Affected Products
- Nextcloud Server
Affected Vendors
- Nextcloud GmbH
Advisories, Assessments, and Mitigations
Prioritize, Pinpoint, and Act to Prevent Vulnerability Exploits with Recorded Future
- Gain complete coverage of your cyber, third party, and physical attack surface
- Proactively mitigate threats before they turn into costly attacks
- Make fast, effective, data-driven decisions