How severe is CVE-2011-1313?

CVE-2011-1313 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-1313 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1313?

CVE-2011-1313 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-2011-1313?

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

When was CVE-2011-1313 published?

CVE-2011-1313 was published on 2011-03-08 and last updated on 2026-06-16.

CVE-2011-1313

CVE-2011-1313 is a medium-severity vulnerability in Ibm Websphere Application Server with a CVSS 2.0 base score of 5.0. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Ibm Websphere Application Server
Published: 2011-03-08
Last modified: 2026-06-16

Description

Double free vulnerability in IBM WebSphere Application Server (WAS) 6.1.0.x before 6.1.0.35 and 7.x before 7.0.0.15 allows remote backend IIOP servers to cause a denial of service (S0C4 ABEND and storage corruption) by rejecting IIOP requests at opportunistic time instants, as demonstrated by requests associated with an ORB_Request::getACRWorkElementPtr function call.

Frequently asked questions

What is CVE-2011-1313?: Double free vulnerability in IBM WebSphere Application Server (WAS) 6.1.0.x before 6.1.0.35 and 7.x before 7.0.0.15 allows remote backend IIOP servers to cause a denial of service (S0C4 ABEND and storage corruption) by rejecting IIOP requests at opportunistic time instants, as demonstrated by requests associated with an ORB_Request::getACRWorkElementPtr function call.
How severe is CVE-2011-1313?: CVE-2011-1313 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-1313 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1313?: CVE-2011-1313 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-2011-1313?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1313 published?: CVE-2011-1313 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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