Privilege Escalation Vulnerability in Nextcloud Server by Nextcloud

CVE-2020-8223

What is CVE-2020-8223?

A logic error in Nextcloud Server 19.0.0 allows unauthorized users to reshare files with elevated permissions, beyond what they were assigned. This flaw could be exploited by malicious actors to gain inappropriate access to shared content, posing significant security risks to user data and overall system integrity. Users should be aware of this vulnerability and ensure that their instances of Nextcloud are appropriately updated and secured to prevent unauthorized access.

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References