{"id":"CVE-2021-30468","aliases":["GHSA-g23v-p5jq-jvh4"],"url":"https://o3.security/vulnerability/CVE-2021-30468","summary":"Infinite loop in Apache CFX","details":"A vulnerability in the JsonMapObjectReaderWriter of Apache CXF allows an attacker to submit malformed JSON to a web service, which results in the thread getting stuck in an infinite loop, consuming CPU indefinitely. This issue affects Apache CXF versions prior to 3.4.4; Apache CXF versions prior to 3.3.11.","published":"2021-06-16T12:15:12.617Z","modified":"2026-07-08T05:57:03.416129664Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.cxf:apache-cxf","fixedVersion":"3.4.4"},{"ecosystem":"Maven","name":"org.apache.cxf:apache-cxf","fixedVersion":"3.3.11"},{"ecosystem":"Maven","name":"org.apache.cxf:cxf","fixedVersion":"3.4.4"},{"ecosystem":"Maven","name":"org.apache.cxf:cxf","fixedVersion":"3.3.11"}],"fix":null,"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r3f46ae38e4a6e80c069cdb320e0ce831b0a21a12ef0cc92c0943f34a%40%3Ccommits.tomee.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r4771084730c4cf6e59eda60b4407122c86f174eb750b24f610ba9ff4%40%3Ccommits.tomee.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb8538794459%40%3Cannounce.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb8538794459%40%3Cdev.cxf.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb8538794459%40%3Cusers.cxf.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r54c0f1cbbb9f381dfbedb9ea5e90ecb1c0a15371f40c4b10322ac737%40%3Ccommits.tomee.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/ra833f78b3fa577cb43558cf343859a1bf70b1c5ce2353b3877d96422%40%3Ccommits.tomee.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rac07822057521dccf33ab5d136e0e8c599a6e2c8ac75e44ffbdc6e07%40%3Ccommits.tomee.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/re5b2a2b77faa22684d47bd2ac6623135c615565328ff40a1ec705448%40%3Ccommits.tomee.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/re9e05c6cab5f0dcc827eba4e6fcf26fa0b493e7ca84d62c867a80d03%40%3Ccommits.tomee.apache.org%3E"},{"type":"ADVISORY","url":"http://cxf.apache.org/security-advisories.data/CVE-2021-30468.txt.asc"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/06/16/2"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210917-0002/"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuoct2021.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:57:03.416129664Z"}}