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Fencer Vulns
low 3.3

CVE-2016-3711 json

HAproxy in Red Hat OpenShift Enterprise 3.2 and OpenShift Origin allows local users to obtain the internal IP address of a pod by reading t…

published 2016-06-08 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-4732

cvss
3.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits
0
none known

Summary

HAproxy in Red Hat OpenShift Enterprise 3.2 and OpenShift Origin allows local users to obtain the internal IP address of a pod by reading the "OPENSHIFT_[namespace]_SERVERID" cookie.

Patch / fix

  • atomic-openshift openshift 3.2 3.2.0.20-1.git.0.f44746c.el7
  • nodejs-proxy-addr openshift 3.2 1.0.8-2.el7aos
  • atomic-openshift-pod openshift 3.2 3.2.0.20-1.git.0.f44746c.el7
  • atomic-openshift-node openshift 3.2 3.2.0.20-1.git.0.f44746c.el7
  • atomic-openshift-tests openshift 3.2 3.2.0.20-1.git.0.f44746c.el7
  • atomic-openshift-master openshift 3.2 3.2.0.20-1.git.0.f44746c.el7
  • atomic-openshift-clients openshift 3.2 3.2.0.20-1.git.0.f44746c.el7
  • atomic-openshift-recycle openshift 3.2 3.2.0.20-1.git.0.f44746c.el7

red hat advisories RHSA-2016:1064

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-2016-3711 updated cvss 1.9

haproxy: Setting cookie containing internal IP address of a pod

  • Red Hat OpenShift Container Platform 3.2 nodejs-proxy-addr 1.0.8-2.el7aos, nodejs-openshift-auth-proxy 0.0.20-1.el7aos
    fixed: vendor fix RHSA-2016:1064
  • Red Hat OpenShift Container Platform 3.2 cockpit 0.93-3.el7, fb303 0.9.1-12.el7, thrift 0.9.1-12.el7, fluentd 0.12.20-1.el7, jenkins 1.642.2-1.el7, kibana 4.1.2-2.el7aos, +385 more Red Hat OpenShift Enterprise 2 haproxy, haproxy15side
    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

0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 3.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 2.1 AV:L/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 Vulns 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.