{"cve":"CVE-2023-39231","nvd":{"published":"2023-10-25T18:17:29.030","modified":"2026-06-17T06:11:48.830","status":"Modified","description":"PingFederate using the PingOne MFA adapter allows a new MFA device to be paired without requiring second factor authentication from an existing registered device. A threat actor may be able to exploit this vulnerability to register their own MFA device if they have knowledge of a victim user's first factor credentials.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","score":6.5},"cwes":["CWE-306","CWE-288"],"references":["https://docs.pingidentity.com/r/en-us/pingfederate-pingone-mfa-ik/bks1657303194394","https://www.pingidentity.com/en/resources/downloads/pingid.html","https://docs.pingidentity.com/r/en-us/pingfederate-pingone-mfa-ik/bks1657303194394","https://www.pingidentity.com/en/resources/downloads/pingid.html"],"products":["pingidentity:pingone_mfa_integration_kit"],"source":"nvd","synced_at":"2026-10-19T21:40:11.519948003+00:00"},"epss":{"cve":"CVE-2023-39231","score":0.00655,"percentile":0.51386,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}