HOMEVULNERABILITIESCVE-2014-3651
HIGH

CVE-2014-3651

CWE-400Published: December 29, 2017· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2014-3651 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

keycloak1 product(s)
keycloak
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (4)

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

Quick Facts

CVE IDCVE-2014-3651
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-400
CISA KEVNo
Affected1 vendor(s)
PublishedDec 29, 2017

Related CVEs (CWE-400)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2014-3651 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.