Medium severity5.3NVD Advisory· Published Aug 26, 2022· Updated Jun 17, 2026
CVE-2021-3754
CVE-2021-3754
Description
A flaw was found in keycloak where an attacker is able to register himself with the username same as the email ID of any existing user. This may cause trouble in getting password recovery email in case the user forgets the password.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.keycloak:keycloak-servicesMaven | < 24.0.1 | 24.0.1 |
Affected products
4- cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
6- access.redhat.com/security/cve/CVE-2021-3754nvdVendor AdvisoryWEB
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingVendor AdvisoryWEB
- github.com/advisories/GHSA-4vc8-pg5c-vg4xghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-3754ghsaADVISORY
- github.com/keycloak/keycloak/commit/f9708037383aa98741e4850447de64dc4a0d4b4eghsaWEB
- github.com/keycloak/keycloak/security/advisories/GHSA-4vc8-pg5c-vg4xghsaWEB
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