How severe is CVE-2011-1320?

CVE-2011-1320 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2011-1320 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1320?

CVE-2011-1320 primarily affects Ibm Websphere Application Server. In total, 32 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1320?

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

When was CVE-2011-1320 published?

CVE-2011-1320 was published on 2011-03-08 and last updated on 2026-06-16.

CVE-2011-1320

CVE-2011-1320 is a medium-severity vulnerability in Ibm Websphere Application Server with a CVSS 2.0 base score of 6.8. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
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) 6.1.0.x before 6.1.0.35 and 7.x before 7.0.0.15, when the Tivoli Integrated Portal / embedded WebSphere Application Server (TIP/eWAS) framework is used, does not properly delete AuthCache entries upon a logout, which might allow remote attackers to access the server by leveraging an unattended workstation.

Frequently asked questions

What is CVE-2011-1320?: The Security component in IBM WebSphere Application Server (WAS) 6.1.0.x before 6.1.0.35 and 7.x before 7.0.0.15, when the Tivoli Integrated Portal / embedded WebSphere Application Server (TIP/eWAS) framework is used, does not properly delete AuthCache entries upon a logout, which might allow remote attackers to access the server by leveraging an unattended workstation.
How severe is CVE-2011-1320?: CVE-2011-1320 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2011-1320 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1320?: CVE-2011-1320 primarily affects Ibm Websphere Application Server. In total, 32 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1320?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1320 published?: CVE-2011-1320 was published on 2011-03-08 and last updated on 2026-06-16.

References

Affected products (32)

cpe:2.3:a:ibm:websphere_application_server:6.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.11:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.12:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.15:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.17:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.19:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.21:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.23:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.25:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.27:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.29:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.31:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.33:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.8:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.11:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.13:*:*:*:*:*:*:*

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