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CVE-2025-31124

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CVE-2025-31124

Published: Mar 31, 2025

Modified: Mar 31, 2025

PUBLISHED

CVSS v3.1

5.3

MEDIUM

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.

VendorProductVersions

zitadel

zitadel

affected
>= 2.62.0, < 2.63.9
affected
>= 2.64.0-rc.1, < 2.64.6
affected
>= 2.65.0-rc.1, < 2.65.7
affected
>= 2.66.0-rc.1, < 2.66.16
affected
>= 2.67.0-rc.1, < 2.67.13

+4 more versions

Weaknesses (CWE)

CWE-203
CWE-204
CWE-200

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

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