Zitadel is open-source identity infrastructure software. ZITADEL administrators can enable a setting called "Ignoring unknown usernames" which helps mitigate attacks that try to guess/enumerate usernames. If enabled, ZITADEL will show the password prompt even if the user doesn't exist and report "Username or Password invalid". While the setting was correctly respected during the login flow, the user's username was normalized leading to a disclosure of the user's existence. This vulnerability is fixed in 2.71.6, 2.70.8, 2.69.9, 2.68.9, 2.67.13, 2.66.16, 2.65.7, 2.64.6, and 2.63.9.
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Mon, 31 Mar 2025 23:15:00 +0000
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Mon, 31 Mar 2025 19:45:00 +0000
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Description | Zitadel is open-source identity infrastructure software. ZITADEL administrators can enable a setting called "Ignoring unknown usernames" which helps mitigate attacks that try to guess/enumerate usernames. If enabled, ZITADEL will show the password prompt even if the user doesn't exist and report "Username or Password invalid". While the setting was correctly respected during the login flow, the user's username was normalized leading to a disclosure of the user's existence. This vulnerability is fixed in 2.71.6, 2.70.8, 2.69.9, 2.68.9, 2.67.13, 2.66.16, 2.65.7, 2.64.6, and 2.63.9. | |
Title | Zitadel allows User Enumeration by loginname attribute normalization | |
Weaknesses | CWE-200 CWE-203 CWE-204 |
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cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2025-03-31T22:26:39.989Z
Reserved: 2025-03-26T15:04:52.626Z
Link: CVE-2025-31124

Updated: 2025-03-31T22:26:35.962Z

Status : Awaiting Analysis
Published: 2025-03-31T20:15:15.707
Modified: 2025-04-01T20:26:22.890
Link: CVE-2025-31124

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