CVE-2021-32741

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 19.0.13 Nextcloud Server versions prior to 20.0.11 Nextcloud Server versions prior to 21.0.3

Description The issue is related to a lack of ratelimiting on the public share link mount endpoint, which may have allowed an attacker to enumerate potentially valid share tokens. There are no known workarounds or mentions of real-world incidents where this issue was exploited.

Recommendations For versions prior to 19.0.13, update to version 19.0.13 or later. For versions prior to 20.0.11, update to version 20.0.11 or later. For versions prior to 21.0.3, update to version 21.0.3 or later.