Keycloak's admin API allows low privilege users to use administrative functions

CVE-2024-3656 → View on GitHub ↗ View on CVE.org ↗ View on NVD ↗

Description

Users with low privileges (just plain users in the realm) are able to utilize administrative functionalities within Keycloak admin interface. This issue presents a significant security risk as it allows unauthorized users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.

Acknowledgements:
Special thanks to Maurizio Agazzini for reporting this issue and helping us improve our project.

Basic information

Type
reviewed
Severity
high
Advisory on GitHub
Open advisory ↗
Repository advisory
Open repository advisory ↗
Source code
Browse source ↗
Published (advisory)
2024-06-11 20:22:40 UTC
Updated
2024-12-23 17:11:17 UTC
GitHub reviewed
2024-06-11 20:22:40 UTC
NVD published
2024-10-09

EPSS Score

Score Percentile
89.66% 99.55%

CVSS Scores

Base score Version Severity Vector
8.1 3.1 —
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.

Identifiers

Type Value
GHSA GHSA-2cww-fgmg-4jqc ↗
CVE CVE-2024-3656 ↗

CWEs

CWE id Name
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-269 Improper Privilege Management
CWE-284 Improper Access Control

Affected packages (1)

Vulnerable version ranges and first patched releases as published by GitHub.

Ecosystem Package Vulnerable range First patched Vulnerable functions
maven org.keycloak:keycloak-services < 24.0.5 24.0.5 —

References

cvelogic Threat Intelligence