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In affected versions this vulnerability may allow a remote attacker to request data from internal resources that are not publicly available only by manipulating the processed input stream with a Java runtime version 14 to 8. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. If you rely on XStream's default blacklist of the [Security Framework](https://x-stream.github.io/security.html#framework), you will have to use at least version 1.4.18."}, {"lang": "es", "value": "XStream es una sencilla biblioteca para serializar objetos a XML y viceversa. En las versiones afectadas, esta vulnerabilidad puede permitir a un atacante remoto requerir datos de recursos internos que no est\u00e1n disponibles p\u00fablicamente s\u00f3lo al manipular el flujo de entrada procesado con una versi\u00f3n 14 hasta 8 de Java runtime. 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. Si conf\u00eda en la lista negra por defecto de XStream de [Security Framework](https://x-stream.github.io/security.html#framework), tendr\u00e1 que usar al menos la versi\u00f3n 1.4.18."}], "id": "CVE-2021-39150", "lastModified": "2026-10-07T21:17:04.717", "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", 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"url": "https://x-stream.github.io/CVE-2021-39150.html"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}, {"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-502"}, {"lang": "en", "value": "CWE-918"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"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-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: Server-side request forgery (SSRF) via unsafe deserialization of com.sun.xml.internal.ws.client.sei.*", "id": "1997786", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1997786"}, "csaw": false, "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-502|CWE-918)", "details": ["XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may allow a remote attacker to request data from internal resources that are not publicly available only by manipulating the processed input stream with a Java runtime version 14 to 8. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. If you rely on XStream's default blacklist of the [Security Framework](https://x-stream.github.io/security.html#framework), you will have to use at least version 1.4.18.", "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 request data from internal resources that are not publicly available by manipulating the processed input stream with Java runtime versions 14 to 8. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability."], "name": "CVE-2021-39150", "package_state": [{"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: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": "Out of support scope", "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_grid:7", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat JBoss Data Grid 7"}, {"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_fuse:6", "fix_state": "Out of support scope", "impact": "moderate", "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: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-2021-39150\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-39150\nhttps://github.com/x-stream/xstream/security/advisories/GHSA-cxfm-5m4g-x7xp"], "statement": "Users who follow the recommended security framework with a whitelist to limit the types to the minimum required should not be affected. If you rely on XStream's default blacklist of the [Security Framework](https://x-stream.github.io/security.html#framework), you will have to use at least version 1.4.18.\nOpenShift Container Platform (OCP) delivers the Jenkins LTS package with bundled XStream library. Due to JEP-200 [1] and JEP-228 [2] Jenkins projects, the OCP Jenkins package is not affected by this flaw.\nThis version of the 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", "threat_severity": "Important"}

{}