How severe is CVE-2011-2487?

CVE-2011-2487 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2011-2487 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2487?

CVE-2011-2487 primarily affects Redhat Jboss Business Rules Management System. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2487?

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

When was CVE-2011-2487 published?

CVE-2011-2487 was published on 2020-03-11 and last updated on 2026-06-16.

CVE-2011-2487

CVE-2011-2487 is a medium-severity vulnerability in Redhat Jboss Business Rules Management System with a CVSS 3.x base score of 5.9. 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-327.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-327
Affected product: Redhat Jboss Business Rules Management System
Published: 2020-03-11
Last modified: 2026-06-16

Description

The implementations of PKCS#1 v1.5 key transport mechanism for XMLEncryption in JBossWS and Apache WSS4J before 1.6.5 is susceptible to a Bleichenbacher attack.

Frequently asked questions

What is CVE-2011-2487?: The implementations of PKCS#1 v1.5 key transport mechanism for XMLEncryption in JBossWS and Apache WSS4J before 1.6.5 is susceptible to a Bleichenbacher attack.
How severe is CVE-2011-2487?: CVE-2011-2487 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2011-2487 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2487?: CVE-2011-2487 primarily affects Redhat Jboss Business Rules Management System. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2487?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2487 published?: CVE-2011-2487 was published on 2020-03-11 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_business_rules_management_system:5.3:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_application_platform:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_application_platform_text-only_advisories:-:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_soa_platform:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_soa_platform:4.3.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_web_platform:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_middleware_text-only_advisories:-:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_portal:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_web_services:-:*:*:*:*:*:*:*

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