CVE-2024-1722
Keycloak-core: dos via account lockout
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
A flaw was found in Keycloak. In certain conditions, this issue may allow a remote unauthenticated attacker to block other accounts from logging in.
Timeline
ID reserved
By redhat
- 6 days later
· 6 days later
Published
- 21 months later
· 21 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | Low3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L |
| NVDNVD · Analyzed | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
- EPSS (exploitation in 30 days)
- 0.77% · top 44% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.7.
Weakness
Affected products
keycloak-core
- affected 4.15.0
Red Hat · Red Hat Build of Keycloak
All versions: affected
Red Hat · Red Hat Single Sign-On 7
All versions: affected
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.keycloak:keycloak-servicesGHSA-cq42-vhv7-xr7p (opens in a new tab)
What to do
Workaround: Red Hat Product Security is not aware of a way to completely mitigate this issue. However, the following techniques can be used to help prevent exploitation: - Put limits on frequency of account registration, restricting how often an attacker could utilize this attack - Restrict new account registration to not allow email addresses in the username field, for example, by not allowing the "@" symbol. Note: this cannot prevent attacks against existing users who have registered with an email address. If this vulnerability has been triggered, an administrator has two options to remedy it manually by modifying the second account (of the attacker): - Delete the account - Change the username
References (2)
- https://access.redhat.com/security/cve/CVE-2024-1722 (opens in a new tab)vdb-entryx_refsource_REDHATx_transferred
- RHBZ#2265389 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-cq42-vhv7-xr7p (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2024-1722)Record last updated .