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Fencer Intel
medium 5.3

CVE-2016-6311 json

Get requests in JBoss Enterprise Application Platform (EAP) 7 disclose internal IP addresses to remote attackers.

published 2017-08-22 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-7240

cvss
5.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

Get requests in JBoss Enterprise Application Platform (EAP) 7 disclose internal IP addresses to remote attackers.

Patch / fix

  • eap7-jboss-ec2-eap jboss enterprise application platform 7 7.1.0-5.GA_redhat_5.ep7.el6
  • eap7-jboss-ec2-eap jboss enterprise application platform 7.1 7.1.0-5.GA_redhat_5.ep7.el7
  • eap7-jboss-ec2-eap-samples jboss enterprise application platform 7 7.1.0-5.GA_redhat_5.ep7.el6
  • eap7-jboss-ec2-eap-samples jboss enterprise application platform 7.1 7.1.0-5.GA_redhat_5.ep7.el7
  • eap7-ecj jboss enterprise application platform 7.1 4.6.1-1.redhat_1.1.ep7.el7
  • eap7-vdx jboss enterprise application platform 7.1 1.1.6-1.redhat_1.1.ep7.el7
  • eap7-xom jboss enterprise application platform 7.1 1.2.10-2.redhat_1.1.ep7.el7
  • eap7-txw2 jboss enterprise application platform 7.1 2.2.11-10.redhat_4.1.ep7.el7

red hat advisories RHSA-2017:3458RHSA-2017:3455RHSA-2017:3454

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-6311 updated cvss 5.3

EAP7: Internal IP address disclosed on redirect when request header Host field is not set

  • Red Hat JBoss EAP 7.1
    fixed: vendor fix RHSA-2017:3456
  • Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6 Server eap7-ecj 4.6.1-1.redhat_1.1.ep7.el6, eap7-vdx 1.1.6-1.redhat_1.1.ep7.el6, eap7-xom 1.2.10-2.redhat_1.1.ep7.el6, eap7-jaxen 1.1.6-3.redhat_1.1.ep7.el6, eap7-jsoup 1.8.3-3.redhat_2.1.ep7.el6, eap7-antlr 2.7.7-35.redhat_7.1.ep7.el6, +281 more
    fixed: vendor fix RHSA-2017:3454
  • Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7 Server eap7-ecj 4.6.1-1.redhat_1.1.ep7.el7, eap7-vdx 1.1.6-1.redhat_1.1.ep7.el7, eap7-xom 1.2.10-2.redhat_1.1.ep7.el7, eap7-jaxen 1.1.6-3.redhat_1.1.ep7.el7, eap7-jsoup 1.8.3-3.redhat_2.1.ep7.el7, eap7-antlr 2.7.7-35.redhat_7.1.ep7.el7, +281 more
    fixed: vendor fix RHSA-2017:3458
  • Red Hat JBoss Fuse 6 hawtio hawtio
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.26% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.