CVE-2011-4314

message/ax/AxMessage.java in OpenID4Java before 0.9.6 final, as used in JBoss Enterprise Application Platform 5.1 before 5.1.2, Step2, Kay Framework before 1.0.2, and possibly other products does not verify that Attribute Exchange (AX) information is signed, which allows remote attackers to modify potentially sensitive AX information without detection via a man-in-the-middle (MITM) attack.

Published: 2012-01-27 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-4314 is rated Moderate Risk (56.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.20%). Core evidence: EPSS rose +2.63% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-4314

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.57% 3.20% +2.63%
2 2026-04-25 0.78% 0.57% -0.21%
3 2026-04-20 0.78%

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4314

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 4.9 [email protected]

Weakness enumeration for CVE-2011-4314

GitHub Security Advisory for CVE-2011-4314

GHSA-j473-c3rr-rx9p · Severity: medium · Ecosystem: maven — OpenID4Java does not verify that Attribute Exchange (AX) information is signed

OS Trackers for CVE-2011-4314

vendor priority summary link
debian not yet assigned CVE-2011-4314 not yet assigned priority: Debian including 1 source packages (openid4java), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2011-4314
redhat low https://access.redhat.com/security/cve/CVE-2011-4314

Affected software / configurations for CVE-2011-4314

Vendor Product Version Raw CPE
kay_framework_project kay_framework <= 1.0.1 cpe:2.3:a:kay_framework_project:kay_framework:*:*:*:*:*:*:*:*
kay_framework_project kay_framework 0.0.0 cpe:2.3:a:kay_framework_project:kay_framework:0.0.0:-:*:*:*:*:*:*
kay_framework_project kay_framework 0.1.0 cpe:2.3:a:kay_framework_project:kay_framework:0.1.0:*:*:*:*:*:*:*
kay_framework_project kay_framework 0.2.0 cpe:2.3:a:kay_framework_project:kay_framework:0.2.0:*:*:*:*:*:*:*
kay_framework_project kay_framework 0.3.0 cpe:2.3:a:kay_framework_project:kay_framework:0.3.0:*:*:*:*:*:*:*
kay_framework_project kay_framework 0.8.0 cpe:2.3:a:kay_framework_project:kay_framework:0.8.0:*:*:*:*:*:*:*
kay_framework_project kay_framework 1.0.0 cpe:2.3:a:kay_framework_project:kay_framework:1.0.0:*:*:*:*:*:*:*
openid openid4java <= 0.9.5.593 cpe:2.3:a:openid:openid4java:*:*:*:*:*:*:*:*
openid openid4java 0.9.2 cpe:2.3:a:openid:openid4java:0.9.2:*:*:*:*:*:*:*
openid openid4java 0.9.3 cpe:2.3:a:openid:openid4java:0.9.3:*:*:*:*:*:*:*
openid openid4java 0.9.4.339 cpe:2.3:a:openid:openid4java:0.9.4.339:*:*:*:*:*:*:*
redhat jboss_enterprise_application_platform 5.1.0 cpe:2.3:a:redhat:jboss_enterprise_application_platform:5.1.0:*:*:*:*:*:*:*
redhat jboss_enterprise_application_platform 5.1.1 cpe:2.3:a:redhat:jboss_enterprise_application_platform:5.1.1:*:*:*:*:*:*:*
redhat jboss_enterprise_application_platform 5.1.2 cpe:2.3:a:redhat:jboss_enterprise_application_platform:5.1.2:*:*:*:*:*:*:*

References for CVE-2011-4314

cvelogic Threat Intelligence