CVE-2023-44399
ZITADEL's password reset does not respect the "Ignoring unknown usernames" setting
Description
### Impact ZITADEL administrators can enable a setting called "Ignoring unknown usernames" which helps mitigate attacks that try to guess/enumerate usernames. While this settings was properly working during the authentication process it did not work correctly on the password reset flow. This meant that even if this feature was active that an attacker could use the password reset function to verify if an account exist within ZITADEL. ### Patches This bug has been patched in versions >2.27.2 beginning with [2.37.3](https://github.com/zitadel/zitadel/releases/tag/v2.37.3) and [2.38.0](https://github.com/zitadel/zitadel/releases/tag/v2.38.0) ### Workarounds None available we advise to updated if this is needed. ### References None
How to fix CVE-2023-44399
To remediate CVE-2023-44399, upgrade the affected package to a fixed version below.
- —upgrade to 2.37.3 or later
Is CVE-2023-44399 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.37.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |