{"cve":"CVE-2021-29505","nvd":{"published":"2021-05-28T21:15:08.713","modified":"2026-10-07T21:17:03.060","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-502","CWE-94"],"references":["https://github.com/x-stream/xstream/commit/24fac82191292c6ae25f94508d28b9823f83624f","https://github.com/x-stream/xstream/commit/f0c4a8d861b68ffc3119cfbbbd632deee624e227","https://github.com/x-stream/xstream/security/advisories/GHSA-7chv-rrw6-w6fc","https://lists.apache.org/thread.html/r8ee51debf7fd184b6a6b020dc31df25118b0aa612885f12fbe77f04f@%3Cdev.jmeter.apache.org%3E","https://lists.debian.org/debian-lts-announce/2021/07/msg00004.html"],"products":["debian:debian_linux","fedoraproject:fedora","netapp:snapmanager","oracle:banking_cash_management","oracle:banking_corporate_lending_process_management","oracle:banking_credit_facilities_process_management","oracle:banking_supply_chain_finance","oracle:banking_trade_finance_process_management","oracle:business_activity_monitoring","oracle:communications_brm_-_elastic_charging_engine","oracle:communications_unified_inventory_management","oracle:enterprise_manager_ops_center","oracle:retail_customer_insights","oracle:retail_xstore_point_of_service","oracle:webcenter_portal","oracle:webcenter_sites","xstream:xstream"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-29505","score":0.77232,"percentile":0.9955,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-7chv-rrw6-w6fc","url":"https://osv.dev/vulnerability/GHSA-7chv-rrw6-w6fc","summary":"XStream is vulnerable to a Remote Command Execution attack","modified":"2026-07-08T06:28:29.984942344Z","packages":[{"ecosystem":"Maven","name":"com.thoughtworks.xstream:xstream","purl":"pkg:maven/com.thoughtworks.xstream/xstream","ranges":["<1.4.17"],"fixed":["1.4.17"]}]}],"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."]}