{"cve":"CVE-2021-41770","nvd":{"published":"2021-10-07T07:15:10.637","modified":"2026-06-17T04:08:53.570","status":"Modified","description":"Ping Identity PingFederate before 10.3.1 mishandles pre-parsing validation, leading to an XXE attack that can achieve XML file disclosure.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-611"],"references":["https://docs.pingidentity.com/bundle/pingfederate-103/page/ruz1628492711606.html","https://www.pingidentity.com/en/resources/downloads/pingfederate.html","https://docs.pingidentity.com/bundle/pingfederate-103/page/ruz1628492711606.html","https://www.pingidentity.com/en/resources/downloads/pingfederate.html"],"products":["pingidentity:pingfederate"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-41770","score":0.00994,"percentile":0.62633,"date":"2026-11-01"},"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."]}