CVE-2021-32726

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CVSS 3.1

9.8 critical

EPSS

2%p77

Published

Jul 12, 2021 (Jul 12, 2021)

Modified

Jun 17, 2026

Description

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, webauthn tokens were not deleted after a user has been deleted. If a victim reused an earlier used username, the previous user could gain access to their account. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds.

Vendors: nextcloud
Products: nextcloud server
Weakness: CWE-708, CWE-287
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.8%)

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