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"cpe:/a:redhat:jboss_enterprise_application_platform:7.3::el8", "package": "eap7-wildfly-discovery-0:1.2.1-1.Final_redhat_00001.1.el8eap", "product_name": "Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8", "release_date": "2021-01-25T00:00:00Z"}, {"advisory": "RHSA-2021:0248", "cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7.3::el8", "package": "eap7-wildfly-elytron-0:1.10.10-1.Final_redhat_00001.1.el8eap", "product_name": "Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8", "release_date": "2021-01-25T00:00:00Z"}, {"advisory": "RHSA-2021:0248", "cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7.3::el8", "package": "eap7-wildfly-http-client-0:1.0.24-1.Final_redhat_00001.1.el8eap", "product_name": "Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8", "release_date": "2021-01-25T00:00:00Z"}, {"advisory": "RHSA-2021:0327", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "package": "undertow", "product_name": "Red Hat Single Sign-On 7.4.5", "release_date": "2021-02-01T00:00:00Z"}, {"advisory": "RHSA-2021:3425", "cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "package": "undertow", "product_name": "Red Hat support for Spring Boot 2.3.10", "release_date": "2021-09-09T00:00:00Z"}, {"advisory": "RHSA-2021:0295", "cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "product_name": "Text-Only RHOAR", "release_date": "2021-02-08T00:00:00Z"}], "bugzilla": {"description": "undertow: special character in query results in server errors", "id": "1901304", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1901304"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-400", "details": ["A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1.", "A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability."], "mitigation": {"lang": "en:us", "value": "The issue can be mitigated by using HTTP/1.1 instead of AJP to proxy to the back-end."}, "name": "CVE-2020-27782", "package_state": [{"cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "fix_state": "Not affected", "package_name": "undertow", "product_name": "Red Hat build of Quarkus"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:7", "fix_state": "Not affected", "package_name": "undertow", "product_name": "Red Hat Decision Manager 7"}, {"cpe": "cpe:/a:redhat:integration:1", "fix_state": "Affected", "impact": "low", "package_name": "undertow", "product_name": "Red Hat Integration Camel K"}, {"cpe": "cpe:/a:redhat:integration:1", "fix_state": "Not affected", "package_name": "undertow", "product_name": "Red Hat Integration Service Registry"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:7", "fix_state": "Out of support scope", "impact": "low", "package_name": "undertow", "product_name": "Red Hat JBoss Data Grid 7"}, {"cpe": "cpe:/a:redhat:jboss_fuse:6", "fix_state": "Affected", "impact": "low", "package_name": "undertow", "product_name": "Red Hat JBoss Fuse 6"}, {"cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "fix_state": "Affected", "package_name": "undertow", "product_name": "Red Hat OpenShift Application Runtimes"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Will not fix", "impact": "moderate", "package_name": "opendaylight", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Not affected", "package_name": "undertow", "product_name": "Red Hat Process Automation 7"}, {"cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "fix_state": "Affected", "impact": "low", "package_name": "undertow", "product_name": "Red Hat support for Spring Boot"}], "public_date": "2021-01-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-27782\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-27782"], "threat_severity": "Important", "upstream_fix": "Undertow 2.1.5.SP1, Undertow 2.0.33.SP2, Undertow 2.2.3.SP1"}