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Fencer Vulns
high 7.3

CVE-2023-3971 json

Controller: html injection in custom login info

published 2023-10-04 3 y ago modified 2026-11-07 44 h ago also EUVD-2023-44596

cvss
7.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

An HTML injection flaw was found in Controller in the user interface settings. This flaw allows an attacker to capture credentials by creating a custom login page by injecting HTML, resulting in a complete compromise.

Patch / fix

  • Red Hat Red Hat Ansible Automation Platform 2.3 for RHEL 8 0:4.3.11-1.el8ap
  • Red Hat Red Hat Ansible Automation Platform 2.3 for RHEL 9 0:4.3.11-1.el9ap
  • Red Hat Red Hat Ansible Automation Platform 2.4 for RHEL 8 0:4.4.1-1.el8ap
  • Red Hat Red Hat Ansible Automation Platform 2.4 for RHEL 9 0:4.4.1-1.el9ap
  • automation-controller ansible automation platform 2.3 4.3.11-1.el8ap
  • automation-controller ansible automation platform 2.3 4.3.11-1.el9ap
  • automation-controller-ui ansible automation platform 2.3 4.3.11-1.el8ap
  • automation-controller-ui ansible automation platform 2.3 4.3.11-1.el9ap
  • automation-controller-cli ansible automation platform 2.3 4.3.11-1.el8ap
  • automation-controller-cli ansible automation platform 2.3 4.3.11-1.el9ap
  • automation-controller-server ansible automation platform 2.3 4.3.11-1.el8ap
  • automation-controller-server ansible automation platform 2.3 4.3.11-1.el9ap

red hat advisories RHSA-2023:4590RHSA-2023:4340

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-2023-3971 updated cvss 7.3

Controller: Html injection in custom login info

  • Red Hat Ansible Automation Platform 2.3 for RHEL 8 automation-controller 4.3.11-1.el8ap, automation-controller-ui 4.3.11-1.el8ap, automation-controller-cli 4.3.11-1.el8ap, automation-controller-server 4.3.11-1.el8ap, automation-controller-venv-tower 4.3.11-1.el8ap Red Hat Ansible Automation Platform 2.3 for RHEL 9 automation-controller 4.3.11-1.el9ap, automation-controller-ui 4.3.11-1.el9ap, automation-controller-cli 4.3.11-1.el9ap, automation-controller-server 4.3.11-1.el9ap, automation-controller-venv-tower 4.3.11-1.el9ap
    fixed: vendor fix RHSA-2023:4590
  • Red Hat Ansible Automation Platform 2.4 for RHEL 8 automation-controller 4.4.1-1.el8ap, automation-controller-ui 4.4.1-1.el8ap, automation-controller-cli 4.4.1-1.el8ap, automation-controller-server 4.4.1-1.el8ap, automation-controller-venv-tower 4.4.1-1.el8ap Red Hat Ansible Automation Platform 2.4 for RHEL 9 automation-controller 4.4.1-1.el9ap, automation-controller-ui 4.4.1-1.el9ap, automation-controller-cli 4.4.1-1.el9ap, automation-controller-server 4.4.1-1.el9ap, automation-controller-venv-tower 4.4.1-1.el9ap
    fixed: vendor fix RHSA-2023:4340
  • Red Hat Ansible Automation Platform 2.3 for RHEL 8 receptor 1.4.1-1.el8ap, receptorctl 1.4.1-1.el8ap, aap-metrics-utility 0.0.1-1.el8ap Red Hat Ansible Automation Platform 2.3 for RHEL 9 receptor 1.4.1-1.el9ap, receptorctl 1.4.1-1.el9ap, aap-metrics-utility 0.0.1-1.el9ap
    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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Red Hat Red Hat Ansible Automation Platform 2.3 for RHEL 8
  • Red Hat Red Hat Ansible Automation Platform 2.3 for RHEL 9
  • Red Hat Red Hat Ansible Automation Platform 2.4 for RHEL 8
  • Red Hat Red Hat Ansible Automation Platform 2.4 for RHEL 9

Classification

Weakness
  • CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.