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Fencer Intel
medium 4.6

CVE-2019-3889 json

A reflected XSS vulnerability exists in authorization flow of OpenShift Container Platform versions: openshift-online-3, openshift-enterpri…

published 7y ago modified 4mo ago also EUVD-2019-13498

cvss
4.6
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

A reflected XSS vulnerability exists in authorization flow of OpenShift Container Platform versions: openshift-online-3, openshift-enterprise-3.4 through 3.7 and openshift-enterprise-3.9 through 3.11. An attacker could use this flaw to steal authorization data by getting them to click on a malicious link.

Patch / fix

  • atomic-openshift openshift 3.11 3.11.188-1.git.0.db0eaa8.el7
  • atomic-openshift-pod openshift 3.11 3.11.188-1.git.0.db0eaa8.el7
  • atomic-openshift-node openshift 3.11 3.11.188-1.git.0.db0eaa8.el7
  • atomic-openshift-tests openshift 3.11 3.11.188-1.git.0.db0eaa8.el7
  • atomic-openshift-master openshift 3.11 3.11.188-1.git.0.db0eaa8.el7
  • atomic-openshift-clients openshift 3.11 3.11.188-1.git.0.db0eaa8.el7
  • atomic-openshift-sdn-ovs openshift 3.11 3.11.188-1.git.0.db0eaa8.el7
  • atomic-openshift-excluder openshift 3.11 3.11.188-1.git.0.db0eaa8.el7

red hat advisories RHSA-2020:0795

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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-2019-3889 updated cvss 4.6

atomic-openshift: reflected XSS in authentication flow

  • Red Hat OpenShift Container Platform 3.4 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +6 more Red Hat OpenShift Container Platform 3.5 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +6 more
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift Container Platform 3.6 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +9 more Red Hat OpenShift Container Platform 3.7 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +10 more
    affected: no fix planned “Out of support scope”
  • Red Hat OpenShift Container Platform 3.9 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +8 more Red Hat OpenShift Container Platform 3.10 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +7 more
    affected: no fix available “Fix deferred”
  • Red Hat OpenShift Container Platform 3.11 atomic-openshift 3.11.188-1.git.0.db0eaa8.el7, atomic-openshift-pod 3.11.188-1.git.0.db0eaa8.el7, atomic-openshift-node 3.11.188-1.git.0.db0eaa8.el7, atomic-openshift-tests 3.11.188-1.git.0.db0eaa8.el7, atomic-openshift-master 3.11.188-1.git.0.db0eaa8.el7, atomic-openshift-clients 3.11.188-1.git.0.db0eaa8.el7, +7 more
    fixed: vendor fix RHSA-2020:0795
  • Red Hat OpenShift Container Platform 4.1 openshift4/ose-hypershift v4.1.22-201910291109
    fixed: vendor fix RHSA-2019:3722
  • Red Hat OpenShift Container Platform 4.2 openshift4/ose-oauth-server-rhel7 v4.2.4-201911050122
    fixed: vendor fix RHSA-2019:3770

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

0.86% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 4.6 CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

  • Red Hat atomic-openshift

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.