{"document":{"aggregate_severity":{"namespace":"https://access.redhat.com/security/updates/classification/","text":"Important"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright © Red Hat, Inc. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"legal_disclaimer","text":"This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.","title":"Terms of Use"}],"publisher":{"category":"vendor","contact_details":"https://access.redhat.com/security/team/contact/","issuing_authority":"Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.","name":"Red Hat Product Security","namespace":"https://www.redhat.com"},"references":[{"category":"self","summary":"Canonical URL","url":"https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-4437.json"}],"title":"shiro: Security constraint bypass","tracking":{"current_release_date":"2025-11-21T13:55:52+00:00","generator":{"date":"2025-11-21T13:55:52+00:00","engine":{"name":"Red Hat SDEngine","version":"4.6.12"}},"id":"CVE-2016-4437","initial_release_date":"2016-06-03T00:00:00+00:00","revision_history":[{"date":"2016-06-03T00:00:00+00:00","number":"1","summary":"Initial version"},{"date":"2025-01-28T18:20:51+00:00","number":"2","summary":"Current version"},{"date":"2025-11-21T13:55:52+00:00","number":"3","summary":"Last generated version"}],"status":"final","version":"3"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"Red Hat JBoss A-MQ 6","product":{"name":"Red Hat JBoss A-MQ 6","product_id":"red_hat_jboss_a-mq_6","product_identification_helper":{"cpe":"cpe:/a:redhat:jboss_amq:6"}}}],"category":"product_family","name":"Red Hat JBoss A-MQ 6"},{"branches":[{"category":"product_name","name":"Red Hat JBoss Fuse 6","product":{"name":"Red Hat JBoss Fuse 6","product_id":"red_hat_jboss_fuse_6","product_identification_helper":{"cpe":"cpe:/a:redhat:jboss_fuse:6"}}}],"category":"product_family","name":"Red Hat JBoss Fuse 6"},{"branches":[{"category":"product_name","name":"Red Hat JBoss Fuse Service Works 6","product":{"name":"Red Hat JBoss Fuse Service Works 6","product_id":"red_hat_jboss_fuse_service_works_6","product_identification_helper":{"cpe":"cpe:/a:redhat:jboss_fuse_service_works:6"}}}],"category":"product_family","name":"Red Hat JBoss Fuse Service Works 6"},{"branches":[{"category":"product_name","name":"Red Hat OpenShift Enterprise 2","product":{"name":"Red Hat OpenShift Enterprise 2","product_id":"red_hat_openshift_enterprise_2","product_identification_helper":{"cpe":"cpe:/a:redhat:openshift:2"}}}],"category":"product_family","name":"Red Hat OpenShift Enterprise 2"},{"branches":[{"category":"product_name","name":"Red Hat JBoss A-MQ 6.3","product":{"name":"Red Hat JBoss A-MQ 6.3","product_id":"Red Hat JBoss A-MQ 6.3","product_identification_helper":{"cpe":"cpe:/a:redhat:jboss_amq:6.3"}}}],"category":"product_family","name":"Red Hat JBoss AMQ"},{"branches":[{"category":"product_name","name":"Red Hat JBoss Fuse 6.3","product":{"name":"Red Hat JBoss Fuse 6.3","product_id":"Red Hat JBoss Fuse 6.3","product_identification_helper":{"cpe":"cpe:/a:redhat:jboss_fuse:6.3"}}}],"category":"product_family","name":"Red Hat JBoss Fuse"},{"category":"product_version","name":"shiro-core","product":{"name":"shiro-core","product_id":"shiro-core"}}],"category":"vendor","name":"Red Hat"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"shiro-core as a component of Red Hat JBoss A-MQ 6","product_id":"red_hat_jboss_a-mq_6:shiro-core"},"product_reference":"shiro-core","relates_to_product_reference":"red_hat_jboss_a-mq_6"},{"category":"default_component_of","full_product_name":{"name":"shiro-core as a component of Red Hat JBoss Fuse 6","product_id":"red_hat_jboss_fuse_6:shiro-core"},"product_reference":"shiro-core","relates_to_product_reference":"red_hat_jboss_fuse_6"},{"category":"default_component_of","full_product_name":{"name":"shiro-core as a component of Red Hat JBoss Fuse Service Works 6","product_id":"red_hat_jboss_fuse_service_works_6:shiro-core"},"product_reference":"shiro-core","relates_to_product_reference":"red_hat_jboss_fuse_service_works_6"},{"category":"default_component_of","full_product_name":{"name":"shiro-core as a component of Red Hat OpenShift Enterprise 2","product_id":"red_hat_openshift_enterprise_2:shiro-core"},"product_reference":"shiro-core","relates_to_product_reference":"red_hat_openshift_enterprise_2"}]},"vulnerabilities":[{"cve":"CVE-2016-4437","cwe":{"id":"CWE-287","name":"Improper Authentication"},"discovery_date":"2016-06-03T00:00:00+00:00","ids":[{"system_name":"Red Hat Bugzilla ID","text":"1343346"}],"notes":[{"category":"description","text":"It was found that Apache Shiro uses a default cipher key for its \"remember me\" feature. An attacker could use this to devise a malicious request parameter and gain access to unauthorized content.","title":"Vulnerability description"},{"category":"summary","text":"shiro: Security constraint bypass","title":"Vulnerability summary"},{"category":"general","text":"The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.","title":"CVSS score applicability"}],"product_status":{"fixed":["Red Hat JBoss A-MQ 6.3","Red Hat JBoss Fuse 6.3"],"known_affected":["red_hat_jboss_a-mq_6:shiro-core","red_hat_jboss_fuse_6:shiro-core","red_hat_jboss_fuse_service_works_6:shiro-core","red_hat_openshift_enterprise_2:shiro-core"]},"references":[{"category":"self","summary":"Canonical URL","url":"https://access.redhat.com/security/cve/CVE-2016-4437"},{"category":"external","summary":"RHBZ#1343346","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1343346"},{"category":"external","summary":"https://www.cve.org/CVERecord?id=CVE-2016-4437","url":"https://www.cve.org/CVERecord?id=CVE-2016-4437"},{"category":"external","summary":"https://nvd.nist.gov/vuln/detail/CVE-2016-4437","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4437"},{"category":"external","summary":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog"}],"release_date":"2016-06-03T00:00:00+00:00","remediations":[{"category":"vendor_fix","date":"2016-10-06T16:18:02+00:00","details":"The References section of this erratum contains a download link (you must\nlog in to download the update).","product_ids":["Red Hat JBoss A-MQ 6.3"],"url":"https://access.redhat.com/errata/RHSA-2016:2036"},{"category":"vendor_fix","date":"2016-10-06T16:18:07+00:00","details":"The References section of this erratum contains a download link (you must\nlog in to download the update).","product_ids":["Red Hat JBoss Fuse 6.3"],"url":"https://access.redhat.com/errata/RHSA-2016:2035"},{"category":"none_available","details":"Affected","product_ids":["red_hat_jboss_a-mq_6:shiro-core","red_hat_jboss_fuse_6:shiro-core","red_hat_jboss_fuse_service_works_6:shiro-core","red_hat_openshift_enterprise_2:shiro-core"]}],"scores":[{"cvss_v2":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":6.8,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","version":"2.0"},"cvss_v3":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.3,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.0"},"products":["Red Hat JBoss A-MQ 6.3","Red Hat JBoss Fuse 6.3","red_hat_jboss_a-mq_6:shiro-core","red_hat_jboss_fuse_6:shiro-core","red_hat_jboss_fuse_service_works_6:shiro-core","red_hat_openshift_enterprise_2:shiro-core"]}],"threats":[{"category":"exploit_status","date":"2021-11-03T00:00:00+00:00","details":"CISA: https://www.cisa.gov/known-exploited-vulnerabilities-catalog"},{"category":"impact","details":"Important","product_ids":["Red Hat JBoss A-MQ 6.3","Red Hat JBoss Fuse 6.3","red_hat_jboss_a-mq_6:shiro-core","red_hat_jboss_fuse_6:shiro-core","red_hat_jboss_fuse_service_works_6:shiro-core","red_hat_openshift_enterprise_2:shiro-core"]}],"title":"shiro: Security constraint bypass"}]}