{"cve":"CVE-2018-1999001","nvd":{"published":"2018-07-23T19:29:00.237","modified":"2026-06-17T01:48:15.093","status":"Modified","description":"A unauthorized modification of configuration vulnerability exists in Jenkins 2.132 and earlier, 2.121.1 and earlier in User.java that allows attackers to provide crafted login credentials that cause Jenkins to move the config.xml file from the Jenkins home directory. If Jenkins is started without this file present, it will revert to the legacy defaults of granting administrator access to anonymous users.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":[],"references":["https://jenkins.io/security/advisory/2018-07-18/#SECURITY-897","https://www.oracle.com/security-alerts/cpuapr2022.html","https://jenkins.io/security/advisory/2018-07-18/#SECURITY-897","https://www.oracle.com/security-alerts/cpuapr2022.html"],"products":["jenkins:jenkins","oracle:communications_cloud_native_core_automated_test_suite"],"source":"nvd","synced_at":"2026-10-19T20:52:03.425131697+00:00"},"epss":{"cve":"CVE-2018-1999001","score":0.18116,"percentile":0.972,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-j8qv-mj4r-6fw4","url":"https://osv.dev/vulnerability/GHSA-j8qv-mj4r-6fw4","summary":"Improper Input Validation in Jenkins","modified":"2024-02-16T08:22:34.405782Z","packages":[{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","purl":"pkg:maven/org.jenkins-ci.main/jenkins-core","ranges":["<2.121.2"],"fixed":["2.121.2"]},{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","purl":"pkg:maven/org.jenkins-ci.main/jenkins-core","ranges":[">=2.122 <2.132"],"fixed":["2.132"]}]}],"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."]}