How severe is CVE-2011-1096?

CVE-2011-1096 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-1096 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1096?

CVE-2011-1096 primarily affects Redhat Jboss Enterprise Portal Platform. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1096?

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

When was CVE-2011-1096 published?

CVE-2011-1096 was published on 2012-11-23 and last updated on 2026-06-16.

CVE-2011-1096

CVE-2011-1096 is a medium-severity vulnerability in Redhat Jboss Enterprise Portal Platform 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-310.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Redhat Jboss Enterprise Portal Platform
Published: 2012-11-23
Last modified: 2026-06-16

Description

The W3C XML Encryption Standard, as used in the JBoss Web Services (JBossWS) component in JBoss Enterprise Portal Platform before 5.2.2 and other products, when using block ciphers in cipher-block chaining (CBC) mode, allows remote attackers to obtain plaintext data via a chosen-ciphertext attack on SOAP responses, aka "character encoding pattern attack."

Frequently asked questions

What is CVE-2011-1096?: The W3C XML Encryption Standard, as used in the JBoss Web Services (JBossWS) component in JBoss Enterprise Portal Platform before 5.2.2 and other products, when using block ciphers in cipher-block chaining (CBC) mode, allows remote attackers to obtain plaintext data via a chosen-ciphertext attack on SOAP responses, aka "character encoding pattern attack."
How severe is CVE-2011-1096?: CVE-2011-1096 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-1096 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1096?: CVE-2011-1096 primarily affects Redhat Jboss Enterprise Portal Platform. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1096?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1096 published?: CVE-2011-1096 was published on 2012-11-23 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:redhat:jboss_enterprise_portal_platform:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_portal_platform:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_portal_platform:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_portal_platform:5.1.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_portal_platform:5.1.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_portal_platform:5.2.0:*:*:*:*:*:*:*

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