How severe is CVE-2011-1311?

CVE-2011-1311 has a CVSS 2.0 base score of 6.0, rated medium severity.

Is CVE-2011-1311 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1311?

CVE-2011-1311 primarily affects Ibm Websphere Application Server. In total, 139 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1311?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-1311 published?

CVE-2011-1311 was published on 2011-03-08 and last updated on 2026-06-16.

CVE-2011-1311

CVE-2011-1311 is a medium-severity vulnerability in Ibm Websphere Application Server with a CVSS 2.0 base score of 6.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 6.0)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Ibm Websphere Application Server
Published: 2011-03-08
Last modified: 2026-06-16

Description

The Security component in IBM WebSphere Application Server (WAS) before 7.0.0.15, when a J2EE 1.4 application is used, determines the security role mapping on the basis of the ibm-application-bnd.xml file instead of the intended ibm-application-bnd.xmi file, which might allow remote authenticated users to gain privileges in opportunistic circumstances by requesting a service.

Frequently asked questions

What is CVE-2011-1311?: The Security component in IBM WebSphere Application Server (WAS) before 7.0.0.15, when a J2EE 1.4 application is used, determines the security role mapping on the basis of the ibm-application-bnd.xml file instead of the intended ibm-application-bnd.xmi file, which might allow remote authenticated users to gain privileges in opportunistic circumstances by requesting a service.
How severe is CVE-2011-1311?: CVE-2011-1311 has a CVSS 2.0 base score of 6.0, rated medium severity.
Is CVE-2011-1311 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1311?: CVE-2011-1311 primarily affects Ibm Websphere Application Server. In total, 139 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1311?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1311 published?: CVE-2011-1311 was published on 2011-03-08 and last updated on 2026-06-16.

References

Affected products (139)

cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:2.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:3.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:3.0.2.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:3.0.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:3.0.2.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:3.0.2.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:3.0.21:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:3.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:3.5.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:3.5.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:3.52:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.8:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.10:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.11:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.12:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.13:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.14:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.15:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.0.2.16:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:5.1.0.2:*:*:*:*:*:*:*

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