How severe is CVE-2011-1321?

CVE-2011-1321 has a CVSS 2.0 base score of 6.5, rated medium severity.

Is CVE-2011-1321 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1321?

CVE-2011-1321 primarily affects Ibm Websphere Application Server. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1321?

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

When was CVE-2011-1321 published?

CVE-2011-1321 was published on 2011-03-08 and last updated on 2026-06-16.

CVE-2011-1321

CVE-2011-1321 is a medium-severity vulnerability in Ibm Websphere Application Server with a CVSS 2.0 base score of 6.5. 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 6.5)
EPSS exploit prediction: 1% (58th 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 AuthCache purge implementation in the Security component in IBM WebSphere Application Server (WAS) 6.1.0.x before 6.1.0.37 and 7.x before 7.0.0.15 does not purge a user from the PlatformCredential cache, which might allow remote authenticated users to gain privileges by leveraging a group membership specified in an old RACF Object (aka RACO).

Frequently asked questions

What is CVE-2011-1321?: The AuthCache purge implementation in the Security component in IBM WebSphere Application Server (WAS) 6.1.0.x before 6.1.0.37 and 7.x before 7.0.0.15 does not purge a user from the PlatformCredential cache, which might allow remote authenticated users to gain privileges by leveraging a group membership specified in an old RACF Object (aka RACO).
How severe is CVE-2011-1321?: CVE-2011-1321 has a CVSS 2.0 base score of 6.5, rated medium severity.
Is CVE-2011-1321 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1321?: CVE-2011-1321 primarily affects Ibm Websphere Application Server. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1321?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1321 published?: CVE-2011-1321 was published on 2011-03-08 and last updated on 2026-06-16.

References

Affected products (33)

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:6.1.0.35:*:*:*:*:*:*:*
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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