{"id":"CVE-2021-29505","title":"XStream is software for serializing Java objects to XML and back again","summary":"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 proces…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-94","CWE-502"],"vendor":"xstream","product":"xstream","affected":["xstream < 1.4.17","debian_linux = 9.0","debian_linux = 10.0","debian_linux = 11.0","fedora = 33","fedora = 34","fedora = 35","snapmanager","banking_cash_management = 14.2","banking_cash_management = 14.3","banking_cash_management = 14.5","banking_corporate_lending_process_management = 14.2.0","banking_corporate_lending_process_management = 14.3.0","banking_corporate_lending_process_management = 14.5.0","banking_credit_facilities_process_management = 14.2.0","banking_credit_facilities_process_management = 14.3.0","banking_credit_facilities_process_management = 14.5.0","banking_supply_chain_finance = 14.2.0","banking_trade_finance_process_management = 14.5.0","business_activity_monitoring = 11.1.1.9.0","business_activity_monitoring = 12.2.1.3.0","business_activity_monitoring = 12.2.1.4.0","communications_brm_-_elastic_charging_engine = 11.3","communications_brm_-_elastic_charging_engine = 12.0","communications_unified_inventory_management = 7.3.4","communications_unified_inventory_management = 7.3.5","communications_unified_inventory_management = 7.4.0","communications_unified_inventory_management = 7.4.1","communications_unified_inventory_management = 7.4.2","enterprise_manager_ops_center = 12.4.0.0","retail_customer_insights = 15.0.2","retail_customer_insights = 16.0.2","retail_xstore_point_of_service = 16.0.6","retail_xstore_point_of_service = 17.0.4","retail_xstore_point_of_service = 18.0.3","retail_xstore_point_of_service = 19.0.2","retail_xstore_point_of_service = 20.0.1","webcenter_portal = 12.2.1.3.0","webcenter_portal = 12.2.1.4.0","webcenter_sites = 12.2.1.3.0","webcenter_sites = 12.2.1.4.0"],"patched":["xstream 1.4.17"],"published":"2021-05-28","updated":"2026-10-07","sourceUpdated":"2026-10-07T21:17:03.060","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-29505","references":[{"url":"https://github.com/x-stream/xstream/commit/24fac82191292c6ae25f94508d28b9823f83624f","label":"security-advisories@github.com"},{"url":"https://github.com/x-stream/xstream/commit/f0c4a8d861b68ffc3119cfbbbd632deee624e227","label":"security-advisories@github.com"},{"url":"https://github.com/x-stream/xstream/security/advisories/GHSA-7chv-rrw6-w6fc","label":"security-advisories@github.com"},{"url":"https://lists.apache.org/thread.html/r8ee51debf7fd184b6a6b020dc31df25118b0aa612885f12fbe77f04f@%3Cdev.jmeter.apache.org%3E","label":"security-advisories@github.com"},{"url":"https://lists.debian.org/debian-lts-announce/2021/07/msg00004.html","label":"security-advisories@github.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP","label":"security-advisories@github.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7","label":"security-advisories@github.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB","label":"security-advisories@github.com"},{"url":"https://security.netapp.com/advisory/ntap-20210708-0007","label":"security-advisories@github.com"},{"url":"https://www.debian.org/security/2021/dsa-5004","label":"security-advisories@github.com"},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","label":"security-advisories@github.com"},{"url":"https://www.oracle.com/security-alerts/cpujan2022.html","label":"security-advisories@github.com"},{"url":"https://www.oracle.com/security-alerts/cpujul2022.html","label":"security-advisories@github.com"},{"url":"https://www.oracle.com/security-alerts/cpuoct2021.html","label":"security-advisories@github.com"},{"url":"https://x-stream.github.io/CVE-2021-29505.html","label":"security-advisories@github.com"},{"url":"https://github.com/x-stream/xstream/commit/24fac82191292c6ae25f94508d28b9823f83624f","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/x-stream/xstream/security/advisories/GHSA-7chv-rrw6-w6fc","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/r8ee51debf7fd184b6a6b020dc31df25118b0aa612885f12fbe77f04f%40%3Cdev.jmeter.apache.org%3E","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2021/07/msg00004.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20210708-0007/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2021/dsa-5004","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujan2022.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujul2022.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpuoct2021.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","exploit-available","cve.org"],"epss":0.77232,"epssPercentile":0.99545,"exploits":{"github":2,"githubRepos":["https://github.com/MyBlackManba/CVE-2021-29505","https://github.com/cuijiung/xstream-CVE-2021-29505"],"nuclei":["CVE-2021-29505"],"checkedAt":"2026-10-07T21:54:50.400Z"},"exploitAvailable":true,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-07T20:02:09.407822Z"},"ingestedAt":"2026-10-07T20:46:47.001Z","slug":"CVE-2021-29505","body":"## Overview\n\nXStream 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.\n\n## Affected\n\n- `xstream < 1.4.17`\n- `debian_linux = 9.0`\n- `debian_linux = 10.0`\n- `debian_linux = 11.0`\n- `fedora = 33`\n- `fedora = 34`\n- `fedora = 35`\n- `snapmanager`\n- `banking_cash_management = 14.2`\n- `banking_cash_management = 14.3`\n- `banking_cash_management = 14.5`\n- `banking_corporate_lending_process_management = 14.2.0`\n- `banking_corporate_lending_process_management = 14.3.0`\n- `banking_corporate_lending_process_management = 14.5.0`\n- `banking_credit_facilities_process_management = 14.2.0`\n- `banking_credit_facilities_process_management = 14.3.0`\n- `banking_credit_facilities_process_management = 14.5.0`\n- `banking_supply_chain_finance = 14.2.0`\n- `banking_trade_finance_process_management = 14.5.0`\n- `business_activity_monitoring = 11.1.1.9.0`\n- `business_activity_monitoring = 12.2.1.3.0`\n- `business_activity_monitoring = 12.2.1.4.0`\n- `communications_brm_-_elastic_charging_engine = 11.3`\n- `communications_brm_-_elastic_charging_engine = 12.0`\n- `communications_unified_inventory_management = 7.3.4`\n- `communications_unified_inventory_management = 7.3.5`\n- `communications_unified_inventory_management = 7.4.0`\n- `communications_unified_inventory_management = 7.4.1`\n- `communications_unified_inventory_management = 7.4.2`\n- `enterprise_manager_ops_center = 12.4.0.0`\n- `retail_customer_insights = 15.0.2`\n- `retail_customer_insights = 16.0.2`\n- `retail_xstore_point_of_service = 16.0.6`\n- `retail_xstore_point_of_service = 17.0.4`\n- `retail_xstore_point_of_service = 18.0.3`\n- `retail_xstore_point_of_service = 19.0.2`\n- `retail_xstore_point_of_service = 20.0.1`\n- `webcenter_portal = 12.2.1.3.0`\n- `webcenter_portal = 12.2.1.4.0`\n- `webcenter_sites = 12.2.1.3.0`\n- `webcenter_sites = 12.2.1.4.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `xstream 1.4.17`","depth":"midnight","depthScore":69,"depthScoreParts":{"impact":41.3,"likelihood":15.4,"exploitation":12,"ransomware":0},"changes":[]}