CVE-2025-31124
Last modified
CVE-2025-31124 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 0.45% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zitadel | Zitadel | < 2.63.9 |
| Zitadel | Zitadel | >= 2.64.0, < 2.64.6 |
| Zitadel | Zitadel | >= 2.65.0, < 2.65.7 |
| Zitadel | Zitadel | >= 2.66.0, < 2.66.16 |
| Zitadel | Zitadel | >= 2.67.0, < 2.67.13 |
| Zitadel | Zitadel | >= 2.68.0, < 2.68.9 |
| Zitadel | Zitadel | >= 2.69.0, < 2.69.9 |
| Zitadel | Zitadel | >= 2.70.0, < 2.70.8 |
| Zitadel | Zitadel | >= 2.71.0, < 2.71.6 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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