CVE-2021-39144

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In affected versions this vulnerability may allow a remote attacker has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. XStream 1.4.18 uses no longer a blacklist by default, since it cannot be secured for general purpose."}, {"lang": "es", "value": "XStream es una biblioteca sencilla para serializar objetos a XML y viceversa. En las versiones afectadas esta vulnerabilidad puede permitir que un atacante remoto tenga los derechos suficientes para ejecutar comandos del host s\u00f3lo al manipular el flujo de entrada procesado. No est\u00e1 afectado ning\u00fan usuario que haya seguido la recomendaci\u00f3n de configurar el framework de seguridad de XStream con una lista blanca limitada a los tipos m\u00ednimos necesarios. XStream versi\u00f3n 1.4.18 ya no usa una lista negra por defecto, ya que no puede ser asegurada para fines generales."}], "id": "CVE-2021-39144", "lastModified": "2026-06-17T04:03:09.313", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-39144", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-02-06T19:37:39.138340Z", "version": "2.0.3"}}]}, "published": "2021-08-23T18:15:12.087", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/169859/VMware-NSX-Manager-XStream-Unauthenticated-Remote-Code-Execution.html"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/x-stream/xstream/security/advisories/GHSA-j9h8-phrw-h4fh"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/09/msg00017.html"}, {"source": "security-advisories@github.com", "tags": ["Broken Link", "Mailing List", "Release Notes"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP/"}, {"source": "security-advisories@github.com", "tags": ["Broken Link", "Mailing List", "Release Notes"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7/"}, {"source": "security-advisories@github.com", "tags": ["Broken Link", "Mailing List", "Release Notes"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB/"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210923-0003/"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-5004"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujan2022.html"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujul2022.html"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://x-stream.github.io/CVE-2021-39144.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/169859/VMware-NSX-Manager-XStream-Unauthenticated-Remote-Code-Execution.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/x-stream/xstream/security/advisories/GHSA-j9h8-phrw-h4fh"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/09/msg00017.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Mailing List", "Release Notes"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Mailing List", "Release Notes"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Mailing List", "Release Notes"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210923-0003/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-5004"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujan2022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujul2022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Vendor Advisory"], "url": "https://x-stream.github.io/CVE-2021-39144.html"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39144"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}, {"lang": "en", "value": "CWE-502"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-306"}, {"lang": "en", "value": "CWE-502"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:1303", "cpe": "cpe:/a:redhat:jboss_data_grid:7.3", "impact": "low", "package": "xstream", "product_name": "Red Hat Data Grid 7.3.10", "release_date": "2023-03-17T00:00:00Z"}, {"advisory": "RHSA-2022:0520", "cpe": "cpe:/a:redhat:jboss_data_grid:8", "impact": "low", "package": "xstream", "product_name": "Red Hat Data Grid 8.3.0", "release_date": "2022-02-14T00:00:00Z"}, {"advisory": "RHSA-2021:3956", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "xstream-0:1.3.1-16.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2021-10-25T00:00:00Z"}, {"advisory": "RHSA-2021:4918", "cpe": "cpe:/a:redhat:integration:1", "impact": "low", "package": "xstream", "product_name": "Red Hat Integration", "release_date": "2021-12-02T00:00:00Z"}, {"advisory": "RHSA-2021:4767", "cpe": "cpe:/a:redhat:camel_quarkus:2.2", "impact": "low", "package": "xstream", "product_name": "Red Hat Integration Camel Quarkus 1", "release_date": "2021-11-23T00:00:00Z"}, {"advisory": "RHSA-2023:3892", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6.4", "impact": "low", "package": "xstream", "product_name": "Red Hat Single Sign-On 7", "release_date": "2023-06-27T00:00:00Z"}, {"advisory": "RHSA-2022:0297", "cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:7.12", "impact": "low", "package": "xstream", "product_name": "RHDM 7.12.0", "release_date": "2022-01-26T00:00:00Z"}, {"advisory": "RHSA-2022:0296", "cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7.12", "impact": "low", "package": "xstream", "product_name": "RHPAM 7.12.0", "release_date": "2022-01-26T00:00:00Z"}], "bugzilla": {"description": "xstream: Arbitrary code execution via unsafe deserialization of sun.tracing.*", "id": "1997772", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1997772"}, "csaw": true, "cvss3": {"cvss3_base_score": "8.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "status": "verified"}, "cwe": "(CWE-94|CWE-502)", "details": ["XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may allow a remote attacker has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. XStream 1.4.18 uses no longer a blacklist by default, since it cannot be secured for general purpose.", "A flaw was found in xstream, a simple library used to serialize objects to XML and back again. This flaw allows a remote attacker to load and execute arbitrary code from a remote host by manipulating the processed input stream."], "name": "CVE-2021-39144", "package_state": [{"cpe": "cpe:/a:redhat:a_mq_clients:2", "fix_state": "Not affected", "package_name": "xstream", "product_name": "A-MQ Clients 2"}, {"cpe": "cpe:/a:redhat:logging:5", "fix_state": "Not affected", "package_name": "openshift-logging/elasticsearch6-rhel8", "product_name": "Logging Subsystem for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:migration_toolkit_applications:6", "fix_state": "Not affected", "package_name": "org.keycloak-keycloak-parent", "product_name": "Migration Toolkit for Applications 6"}, {"cpe": "cpe:/a:redhat:migration_toolkit_runtimes:1", "fix_state": "Not affected", "package_name": "org.keycloak-keycloak-parent", "product_name": "Migration Toolkit for Runtimes"}, {"cpe": "cpe:/a:redhat:ocp_tools", "fix_state": "Not affected", "package_name": "jenkins", "product_name": "OpenShift Developer Tools and Services"}, {"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Not affected", "package_name": "xstream", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat BPM Suite 6"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:3", "fix_state": "Not affected", "package_name": "xstream", "product_name": "Red Hat build of Apache Camel for Spring Boot 3"}, {"cpe": "cpe:/a:redhat:service_registry:2", "fix_state": "Not affected", "package_name": "xstream", "product_name": "Red Hat build of Apicurio Registry 2"}, {"cpe": "cpe:/a:redhat:integration:1", "fix_state": "Not affected", "package_name": "xstream", "product_name": "Red Hat build of Debezium 1"}, {"cpe": "cpe:/a:redhat:quarkus:2", "fix_state": "Not affected", "package_name": "xstream", "product_name": "Red Hat build of Quarkus"}, {"cpe": "cpe:/a:redhat:jboss_developer_studio:12.", "fix_state": "Affected", "package_name": "xstream", "product_name": "Red Hat CodeReady Studio 12"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "impact": "low", "package_name": "xstream", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jboss_amq:6", "fix_state": "Affected", "impact": "low", "package_name": "xstream", "product_name": "Red Hat JBoss A-MQ 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:5", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat JBoss BRMS 5"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:6", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat JBoss BRMS 6"}, {"cpe": "cpe:/a:redhat:jboss_data_virtualization:6", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat JBoss Data Virtualization 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:6", "fix_state": "Not affected", "package_name": "xstream", "product_name": "Red Hat JBoss Enterprise Application Platform 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Not affected", "package_name": "xstream", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Not affected", "package_name": "xstream", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:jboss_fuse:6", "fix_state": "Affected", "impact": "low", "package_name": "xstream", "product_name": "Red Hat JBoss Fuse 6"}, {"cpe": "cpe:/a:redhat:jboss_fuse_service_works:6", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat JBoss Fuse Service Works 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_soa_platform:5", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat JBoss SOA Platform 5"}, {"cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "fix_state": "Not affected", "package_name": "xstream", "product_name": "Red Hat OpenShift Application Runtimes"}, {"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Not affected", "package_name": "jenkins", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "jenkins", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2021-08-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-39144\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-39144\nhttps://github.com/x-stream/xstream/security/advisories/GHSA-j9h8-phrw-h4fh\nhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog"], "statement": "Users who follow the recommended security framework with a whitelist to limit the types to the minimum required should not be affected. XStream 1.4.18 no longer uses a blacklist by default since it cannot be secured for general purposes.\nOpenShift Container Platform (OCP) delivers Jenkins LTS package with bundled XStream library. Due to JEP-200 [1] and JEP-228 [2] Jenkins projects, OCP Jenkins package is not affected by this flaw.\nThis version of XStream library will be delivered in future Jenkins releases.\n[1] https://github.com/jenkinsci/jep/blob/master/jep/200/README.adoc\n[2] https://github.com/jenkinsci/jep/blob/master/jep/228/README.adoc#security\nFor more information, please refer to the [Red Hat solution Article](https://access.redhat.com/solutions/7002450) explaining this issue.\nOpenShift Logging's Elasticsearch 6.8.1 using opendistro_security v0.10.1.2 is not affected by the vulnerable code because com.thoughtworks.xstream is only a build-time dependency.", "threat_severity": "Important"}

{}