CVE-2011-2487

Name: CVE-2011-2487
Creator: NVD / NIST
Published: 2020-03-11T16:15:11.773+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 1.76%

Last modified Jun 16, 2026

CVE-2011-2487 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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.. EPSS estimates a 1.76% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.76%

75.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-327

Affected Software

Vendor	Product	Versions
Apache	Cxf	>= 2.4.0, <= 2.4.6
Apache	Cxf	>= 2.5.0, <= 2.5.2
Apache	Wss4j	< 1.6.5
Redhat	Jboss Business Rules Management System	5.3
Redhat	Jboss Enterprise Application Platform	5.0.0
Redhat	Jboss Enterprise Application Platform Text-Only Advisories	All versions
Redhat	Jboss Enterprise Soa Platform	4.2.0
Redhat	Jboss Enterprise Soa Platform	4.3.0
Redhat	Jboss Enterprise Web Platform	5.0.0
Redhat	Jboss Middleware Text-Only Advisories	All versions
Redhat	Jboss Portal	4.0.0
Redhat	Jboss Web Services	All versions

References

http://cxf.apache.org/note-on-cve-2011-2487.htmlVendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0191.htmlPatch, Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0192.htmlPatch, Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0193.htmlBroken Link, Patch, Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0194.htmlPatch, Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0195.htmlPatch, Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0196.htmlPatch, Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0198.htmlPatch, Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0221.htmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/57549Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=713539Issue Tracking, Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/81737VDB Entry, Vendor Advisory
https://lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de102cea07d79b2dbf%40%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rd49aabd984ed540c8ff7916d4d79405f3fa311d2fdbcf9ed307839a6%40%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba71394f0d321e2d4%40%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da365129b7f89e%40%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rff42cfa5e7d75b7c1af0e37589140a8f1999e578a75738740b244bd4%40%3Ccommits.cxf.apache.org%3E
https://www.nds.ruhr-uni-bochum.de/research/publications/breaking-xml-encryption-pkcs15/Technical Description, Third Party Advisory
http://cxf.apache.org/note-on-cve-2011-2487.htmlVendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0191.htmlPatch, Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0192.htmlPatch, Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0193.htmlBroken Link, Patch, Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0194.htmlPatch, Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0195.htmlPatch, Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0196.htmlPatch, Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0198.htmlPatch, Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-0221.htmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/57549Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=713539Issue Tracking, Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/81737VDB Entry, Vendor Advisory
https://lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de102cea07d79b2dbf%40%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rd49aabd984ed540c8ff7916d4d79405f3fa311d2fdbcf9ed307839a6%40%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba71394f0d321e2d4%40%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da365129b7f89e%40%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rff42cfa5e7d75b7c1af0e37589140a8f1999e578a75738740b244bd4%40%3Ccommits.cxf.apache.org%3E
https://www.nds.ruhr-uni-bochum.de/research/publications/breaking-xml-encryption-pkcs15/Technical Description, Third Party Advisory

Timeline

Published: Mar 11, 2020
Last Modified: Jun 16, 2026
Status: Modified

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 score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 1.76% probability of exploitation in the next 30 days.

How do I fix CVE-2011-2487?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-2487?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST