{"id":"CVE-2023-3971","title":"Controller: html injection in custom login info","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.","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","cvssSource":"cna","cwe":["CWE-80"],"vendor":"Red Hat","product":"automation-controller","affected":["automation-controller (all versions)","automation-controller (all versions)","automation-controller (all versions)","automation-controller (all versions)"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-04-26T19:46:29.640652Z"},"exploitAvailable":true,"published":"2023-10-04","updated":"2026-11-07","sourceUpdated":"2026-11-07T11:32:44.509Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-3971","references":[{"url":"https://access.redhat.com/errata/RHSA-2023:4340","label":"RHSA-2023:4340"},{"url":"https://access.redhat.com/errata/RHSA-2023:4590","label":"RHSA-2023:4590"},{"url":"https://access.redhat.com/security/cve/CVE-2023-3971"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2226965","label":"RHBZ#2226965"}],"tags":["cve.org","exploit-available"],"epss":0.00816,"epssPercentile":0.57317,"exploits":{"github":1,"githubRepos":["https://github.com/ashangp923/CVE-2023-3971"],"checkedAt":"2026-11-07T17:43:13.280Z"},"ingestedAt":"2026-11-07T12:16:41.107Z","slug":"CVE-2023-3971","body":"## Overview\n\nAn 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.\n\n## Affected\n\n- `automation-controller (all versions)`\n- `automation-controller (all versions)`\n- `automation-controller (all versions)`\n- `automation-controller (all versions)`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":52,"depthScoreParts":{"impact":40.2,"likelihood":0.2,"exploitation":12,"ransomware":0},"changes":[]}