CVE-2014-3651

HIGH

Keycloak < 1.0.3 - Denial of Service via Large QR Code Size Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2014-3651. PoCs published by dawetmaster, andikahilmy.

AI-analyzed exploit summary This repository contains source code for Keycloak, specifically focusing on JPA and MongoDB connection providers. It includes vulnerable code related to CVE-2014-3651 but does not provide an exploit PoC or detailed analysis of the vulnerability.

Description

JBoss KeyCloak before 1.0.3.Final allows remote attackers to cause a denial of service (resource consumption) via a large value in the size parameter to auth/qrcode, related to QR code generation.

Exploits (2)

nomisec WRITEUP
by dawetmaster · poc
https://github.com/dawetmaster/CVE-2014-3651-keycloak-vulnerable

This repository contains source code for Keycloak, specifically focusing on JPA and MongoDB connection providers. It includes vulnerable code related to CVE-2014-3651 but does not provide an exploit PoC or detailed analysis of the vulnerability.

Classification
Writeup 90%
Attack Type
Other
Complexity
Moderate
Reliability
Theoretical
Target: Keycloak (version not specified)
No auth needed
Prerequisites: Access to vulnerable Keycloak instance
devstral-2 · analyzed Mar 14, 2026 Full analysis →
nomisec WRITEUP
by andikahilmy · poc
https://github.com/andikahilmy/CVE-2014-3651-keycloak-vulnerable

This repository contains source code for Keycloak, specifically focusing on JPA and MongoDB connection providers. It appears to be a snapshot of vulnerable code related to CVE-2014-3651, but lacks exploit code or detailed analysis of the vulnerability itself.

Classification
Writeup 90%
Attack Type
Other
Complexity
Moderate
Reliability
Theoretical
Target: Keycloak (version not specified)
No auth needed
Prerequisites: Access to vulnerable Keycloak instance
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (2)

Core 2
Core References
Issue Tracking, Third Party Advisory, VDB Entry x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1144278
Issue Tracking, Third Party Advisory x_refsource_confirm
https://issues.jboss.org/browse/KEYCLOAK-699

Scores

CVSS v3 7.5
EPSS 0.0080
EPSS Percentile 74.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-400
Status published
Products (2)
keycloak/keycloak < 1.0.3
org.keycloak/keycloak-core 0 - 1.0.3Maven
Published Dec 29, 2017
Tracked Since Feb 18, 2026