{"cve":"CVE-2018-20433","nvd":{"published":"2018-12-24T13:29:00.210","modified":"2026-06-17T01:52:50.140","status":"Modified","description":"c3p0 0.9.5.2 allows XXE in extractXmlConfigFromInputStream in com/mchange/v2/c3p0/cfg/C3P0ConfigXmlUtils.java during initialization.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-611"],"references":["https://github.com/zhutougg/c3p0/commit/2eb0ea97f745740b18dd45e4a909112d4685f87b","https://lists.debian.org/debian-lts-announce/2018/12/msg00021.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFIVX6HOVNLAM7W3SUAMHYRNLCVQSAWR/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQ47OFV57Y2DAHMGA5H3JOL4WHRWRFN4/","https://github.com/zhutougg/c3p0/commit/2eb0ea97f745740b18dd45e4a909112d4685f87b"],"products":["debian:debian_linux","mchange:c3p0"],"source":"nvd","synced_at":"2026-10-19T20:54:36.112582389+00:00"},"epss":{"cve":"CVE-2018-20433","score":0.04589,"percentile":0.91648,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-q485-j897-qc27","url":"https://osv.dev/vulnerability/GHSA-q485-j897-qc27","summary":"XML External Entity Reference in mchange:c3p0","modified":"2024-02-17T05:36:17.856971Z","packages":[{"ecosystem":"Maven","name":"com.mchange:c3p0","purl":"pkg:maven/com.mchange/c3p0","ranges":["<0.9.5.3"],"fixed":["0.9.5.3"]}]}],"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."]}