{"cve":"CVE-2021-47621","nvd":{"published":"2024-06-21T06:15:10.487","modified":"2026-06-17T04:18:10.920","status":"Deferred","description":"ClassGraph before 4.8.112 was not resistant to XML eXternal Entity (XXE) attacks.","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.r3.com/en/platform/corda/4.8/enterprise/release-notes-enterprise.html","https://github.com/classgraph/classgraph/commit/681362ad6b0b9d9abaffb2e07099ce54d7a41fa3","https://github.com/classgraph/classgraph/pull/539","https://github.com/classgraph/classgraph/releases/tag/classgraph-4.8.112","https://docs.r3.com/en/platform/corda/4.8/enterprise/release-notes-enterprise.html"],"products":[],"source":"nvd","synced_at":"2026-10-19T21:52:00.836172422+00:00"},"epss":{"cve":"CVE-2021-47621","score":0.00556,"percentile":0.4639,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-v2xm-76pq-phcf","url":"https://osv.dev/vulnerability/GHSA-v2xm-76pq-phcf","summary":"ClassGraph XML External Entity Reference","modified":"2026-09-10T03:50:15.914793485Z","packages":[{"ecosystem":"Maven","name":"io.github.classgraph:classgraph","purl":"pkg:maven/io.github.classgraph/classgraph","ranges":["<4.8.112"],"fixed":["4.8.112"]}]}],"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."]}