{"id":"CVE-2021-29505","aliases":["GHSA-7chv-rrw6-w6fc"],"url":"https://o3.security/vulnerability/CVE-2021-29505","summary":"XStream is vulnerable to a Remote Command Execution attack","details":"XStream is software for serializing Java objects to XML and back again. A vulnerability in XStream versions prior to 1.4.17 may allow a remote attacker has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types is affected. The vulnerability is patched in version 1.4.17.","published":"2021-05-28T21:15:08.713Z","modified":"2026-07-09T11:34:33.389390Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"Maven","name":"com.thoughtworks.xstream:xstream","fixedVersion":"1.4.17"}],"fix":{"url":"https://github.com/x-stream/xstream/commit/24fac82191292c6ae25f94508d28b9823f83624f","label":"x-stream/xstream@24fac82"},"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r8ee51debf7fd184b6a6b020dc31df25118b0aa612885f12fbe77f04f@%3Cdev.jmeter.apache.org%3E"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB"},{"type":"WEB","url":"https://x-stream.github.io/CVE-2021-29505.html"},{"type":"ADVISORY","url":"https://github.com/x-stream/xstream/security/advisories/GHSA-7chv-rrw6-w6fc"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/07/msg00004.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210708-0007"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210708-0007/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-5004"},{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cpujul2022.html"},{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cpuoct2021.html"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/r8ee51debf7fd184b6a6b020dc31df25118b0aa612885f12fbe77f04f%40%3Cdev.jmeter.apache.org%3E"},{"type":"FIX","url":"https://github.com/x-stream/xstream/commit/24fac82191292c6ae25f94508d28b9823f83624f"},{"type":"FIX","url":"https://github.com/x-stream/xstream/commit/f0c4a8d861b68ffc3119cfbbbd632deee624e227"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpujan2022.html"},{"type":"ARTICLE","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP/"},{"type":"ARTICLE","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7/"},{"type":"ARTICLE","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T11:34:33.389390Z"}}