{"vulnerability": "CVE-2021-22915", "sightings": [{"uuid": "17443ca0-ed53-430b-9467-243e1d8b7802", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-22915", "type": "seen", "source": "https://t.me/cibsecurity/25401", "content": "\u203c CVE-2021-22915 \u203c\n\nNextcloud server before 19.0.11, 20.0.10, 21.0.2 is vulnerable to brute force attacks due to lack of inclusion of IPv6 subnets in rate-limiting considerations. This could potentially result in an attacker bypassing rate-limit controls such as the Nextcloud brute-force protection.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-06-11T20:52:07.000000Z"}, {"uuid": "1802a3a8-c72a-4874-b1c0-8d1bd6cfc4e2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-22915", "type": "seen", "source": "https://gist.github.com/Darkcrai86/07be988367e9ec18e05787b18a43e1f5", "content": "", "creation_timestamp": "2025-09-03T08:33:55.000000Z"}]}