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"x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/ref0339792ac6dac1dba83c071a727ad72380899bde60f6aaad4031b9%40%3Cnotifications.ofbiz.apache.org%3E"}, {"name": "[ofbiz-notifications] 20200703 [jira] [Closed] (OFBIZ-11848) Upgrade Tomcat from 9.0.34 to 9.0.36 (CVE-2020-11996)", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r6c29801370a36c1a5159679269777ad0c73276d3015b8bbefea66e5c%40%3Cnotifications.ofbiz.apache.org%3E"}, {"name": "[ofbiz-notifications] 20200703 [jira] [Commented] (OFBIZ-11848) Upgrade Tomcat from 9.0.34 to 9.0.36 (CVE-2020-11996)", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r3ea96d8f36dd404acce83df8aeb22a9e807d6c13ca9c5dec72f872cd%40%3Cnotifications.ofbiz.apache.org%3E"}, {"name": "[debian-lts-announce] 20200712 [SECURITY] [DLA 2279-1] tomcat8 security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": 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"description": {"description_data": [{"lang": "eng", "value": "A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. 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(CVE-2020-11996)", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rb4ee49ecc4c59620ffd5e66e84a17e526c2c3cfa95d0cd682d90d338@%3Cnotifications.ofbiz.apache.org%3E"}, {"name": "[ofbiz-notifications] 20200628 [jira] [Created] (OFBIZ-11848) Upgrade Tomcat from 9.0.34 to 9.0.36 (CVE-2020-11996)", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rb820f1a2a02bf07414be12c653c2ab5321fd87b9bf6c5e635c53ff4b@%3Cnotifications.ofbiz.apache.org%3E"}, {"name": "[ofbiz-notifications] 20200628 [jira] [Created] (OFBIZ-11847) CLONE - Upgrade Tomcat from 9.0.34 to 9.0.36 (CVE-2020-11996)", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r8f7484589454638af527182ae55ef5b628ba00c05c5b11887c922fb1@%3Cnotifications.ofbiz.apache.org%3E"}, {"name": "[ofbiz-commits] 20200628 [ofbiz-framework] branch release18.12 updated: Fixed: Upgrades Tomcat to 9.0.36 due to CVE-2020-11996 (OFBIZ-11848)", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r74f5a8204efe574cbfcd95b2a16236fe95beb45c4d9fee3dc789dca9@%3Ccommits.ofbiz.apache.org%3E"}, {"name": "[ofbiz-notifications] 20200628 [jira] [Closed] (OFBIZ-11848) Upgrade Tomcat from 9.0.34 to 9.0.36 (CVE-2020-11996)", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rea65d6ef2e45dd1c45faae83922042732866c7b88fa109b76c83db52@%3Cnotifications.ofbiz.apache.org%3E"}, {"name": "[ofbiz-notifications] 20200628 [jira] [Commented] (OFBIZ-11848) Upgrade Tomcat from 9.0.34 to 9.0.36 (CVE-2020-11996)", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rc80b96b4b96618b2b7461cb90664a428cfd6605eea9f74e51b792542@%3Cnotifications.ofbiz.apache.org%3E"}, {"name": "[ofbiz-commits] 20200628 [ofbiz-framework] branch release17.12 updated: Fixed: Upgrades Tomcat to 9.0.36 due to CVE-2020-11996 (OFBIZ-11848)", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r93ca628ef3a4530dfe5ac49fddc795f0920a4b2a408b57a30926a42b@%3Ccommits.ofbiz.apache.org%3E"}, {"name": "[ofbiz-commits] 20200628 [ofbiz-framework] branch trunk updated: Fixed: Upgrades Tomcat to 9.0.36 due to CVE-2020-11996 (OFBIZ-11848)", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r8f3d416c193bc9384a8a7dd368623d441f5fcaff1057115008100561@%3Ccommits.ofbiz.apache.org%3E"}, {"name": "[ofbiz-notifications] 20200701 [jira] [Reopened] (OFBIZ-11848) Upgrade Tomcat from 9.0.34 to 9.0.36 (CVE-2020-11996)", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r9ad911fe49450ed9405827af0e7a74104041081ff91864b1f2546bbd@%3Cnotifications.ofbiz.apache.org%3E"}, {"name": "[ofbiz-notifications] 20200703 [jira] [Comment Edited] (OFBIZ-11848) Upgrade Tomcat from 9.0.34 to 9.0.36 (CVE-2020-11996)", "refsource": "MLIST", "url": 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9.0.34 to 9.0.36 (CVE-2020-11996)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rc80b96b4b96618b2b7461cb90664a428cfd6605eea9f74e51b792542%40%3Cnotifications.ofbiz.apache.org%3E"}, {"name": "[ofbiz-commits] 20200628 [ofbiz-framework] branch release17.12 updated: Fixed: Upgrades Tomcat to 9.0.36 due to CVE-2020-11996 (OFBIZ-11848)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r93ca628ef3a4530dfe5ac49fddc795f0920a4b2a408b57a30926a42b%40%3Ccommits.ofbiz.apache.org%3E"}, {"name": "[ofbiz-commits] 20200628 [ofbiz-framework] branch trunk updated: Fixed: Upgrades Tomcat to 9.0.36 due to CVE-2020-11996 (OFBIZ-11848)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r8f3d416c193bc9384a8a7dd368623d441f5fcaff1057115008100561%40%3Ccommits.ofbiz.apache.org%3E"}, {"name": "[ofbiz-notifications] 20200701 [jira] [Reopened] (OFBIZ-11848) Upgrade Tomcat from 9.0.34 to 9.0.36 (CVE-2020-11996)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r9ad911fe49450ed9405827af0e7a74104041081ff91864b1f2546bbd%40%3Cnotifications.ofbiz.apache.org%3E"}, {"name": "[ofbiz-notifications] 20200703 [jira] [Comment Edited] (OFBIZ-11848) Upgrade Tomcat from 9.0.34 to 9.0.36 (CVE-2020-11996)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/ref0339792ac6dac1dba83c071a727ad72380899bde60f6aaad4031b9%40%3Cnotifications.ofbiz.apache.org%3E"}, {"name": "[ofbiz-notifications] 20200703 [jira] [Closed] (OFBIZ-11848) Upgrade Tomcat from 9.0.34 to 9.0.36 (CVE-2020-11996)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r6c29801370a36c1a5159679269777ad0c73276d3015b8bbefea66e5c%40%3Cnotifications.ofbiz.apache.org%3E"}, {"name": "[ofbiz-notifications] 20200703 [jira] [Commented] (OFBIZ-11848) Upgrade Tomcat from 9.0.34 to 9.0.36 (CVE-2020-11996)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r3ea96d8f36dd404acce83df8aeb22a9e807d6c13ca9c5dec72f872cd%40%3Cnotifications.ofbiz.apache.org%3E"}, {"name": "[debian-lts-announce] 20200712 [SECURITY] [DLA 2279-1] tomcat8 security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00010.html"}, {"name": "DSA-4727", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "https://www.debian.org/security/2020/dsa-4727"}, {"name": "openSUSE-SU-2020:1051", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00064.html"}, {"name": "openSUSE-SU-2020:1063", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00072.html"}, {"name": "[tomcat-users] 20201008 Is Tomcat7 supports HTTP2", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r2529016c311ce9485e6f173446d469600fdfbb94dccadfcd9dfdac79%40%3Cusers.tomcat.apache.org%3E"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.oracle.com/security-alerts/cpuoct2020.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20200709-0002/"}, {"name": "USN-4596-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4596-1/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.oracle.com/security-alerts/cpujan2021.html"}, {"name": "[ofbiz-notifications] 20210301 [jira] [Updated] (OFBIZ-11848) Upgrade Tomcat from 9.0.34 to 9.0.36 (CVE-2020-11996)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r5a4f80a6acc6607d61dae424b643b594c6188dd4e1eff04705c10db2%40%3Cnotifications.ofbiz.apache.org%3E"}]}]}, "cveMetadata": {"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "assignerShortName": "apache", "cveId": "CVE-2020-11996", "datePublished": "2020-06-26T16:27:20", "dateReserved": "2020-04-21T00:00:00", "dateUpdated": "2024-08-04T11:48:57.318Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive."}, {"lang": "es", "value": "Una secuencia especialmente dise\u00f1ada de peticiones HTTP/2 enviadas a Apache Tomcat versiones 10.0.0-M1 hasta 10.0.0-M5, versiones 9.0.0.M1 hasta 9.0.35 y versiones 8.5.0 hasta 8.5.55, podr\u00eda desencadenar un uso elevado de la CPU por varios segundos. Si se hacen una cantidad suficiente de tales peticiones en conexiones HTTP/2 concurrentes, el servidor podr\u00eda dejar de responder"}], "id": "CVE-2020-11996", "lastModified": "2024-11-21T04:59:04.687", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "[email protected]", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2020-06-26T17:15:10.153", "references": [{"source": "[email protected]", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00064.html"}, {"source": "[email protected]", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00072.html"}, {"source": "[email protected]", "url": "https://lists.apache.org/thread.html/r2529016c311ce9485e6f173446d469600fdfbb94dccadfcd9dfdac79%40%3Cusers.tomcat.apache.org%3E"}, {"source": "[email protected]", "url": "https://lists.apache.org/thread.html/r3ea96d8f36dd404acce83df8aeb22a9e807d6c13ca9c5dec72f872cd%40%3Cnotifications.ofbiz.apache.org%3E"}, 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["Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuoct2020.html"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "[email protected]", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2021:3140", "cpe": "cpe:/a:redhat:jboss_fuse:7", "impact": "low", "package": "tomcat", "product_name": "Red Hat Fuse 7.9", "release_date": "2021-08-11T00:00:00Z"}, {"advisory": "RHSA-2020:5173", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4", "package": "tomcat", "product_name": "Red Hat JBoss Web Server 5", "release_date": "2020-11-23T00:00:00Z"}, {"advisory": "RHSA-2020:5170", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el6", "package": "jws5-jboss-logging-0:3.4.1-1.Final_redhat_00001.1.el6jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 6", "release_date": "2020-11-23T00:00:00Z"}, {"advisory": "RHSA-2020:5170", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el6", "package": "jws5-mod_cluster-0:1.4.2-7.Final_redhat_00002.2.el6jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 6", "release_date": "2020-11-23T00:00:00Z"}, {"advisory": "RHSA-2020:5170", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el6", "package": "jws5-tomcat-0:9.0.36-6.redhat_5.2.el6jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 6", "release_date": "2020-11-23T00:00:00Z"}, {"advisory": "RHSA-2020:5170", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el6", "package": "jws5-tomcat-native-0:1.2.25-2.redhat_2.el6jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 6", "release_date": "2020-11-23T00:00:00Z"}, {"advisory": "RHSA-2020:5170", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el7", "package": "jws5-jboss-logging-0:3.4.1-1.Final_redhat_00001.1.el7jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 7", "release_date": "2020-11-23T00:00:00Z"}, {"advisory": "RHSA-2020:5170", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el7", "package": "jws5-mod_cluster-0:1.4.2-7.Final_redhat_00002.2.el7jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 7", "release_date": "2020-11-23T00:00:00Z"}, {"advisory": "RHSA-2020:5170", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el7", "package": "jws5-tomcat-0:9.0.36-6.redhat_5.2.el7jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 7", "release_date": "2020-11-23T00:00:00Z"}, {"advisory": "RHSA-2020:5170", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el7", "package": "jws5-tomcat-native-0:1.2.25-2.redhat_2.el7jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 7", "release_date": "2020-11-23T00:00:00Z"}, {"advisory": "RHSA-2020:5170", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el8", "package": "jws5-jboss-logging-0:3.4.1-1.Final_redhat_00001.1.el8jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 8", "release_date": "2020-11-23T00:00:00Z"}, {"advisory": "RHSA-2020:5170", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el8", "package": "jws5-mod_cluster-0:1.4.2-7.Final_redhat_00002.2.el8jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 8", "release_date": "2020-11-23T00:00:00Z"}, {"advisory": "RHSA-2020:5170", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el8", "package": "jws5-tomcat-0:9.0.36-6.redhat_5.2.el8jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 8", "release_date": "2020-11-23T00:00:00Z"}, {"advisory": "RHSA-2020:5170", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el8", "package": "jws5-tomcat-native-0:1.2.25-2.redhat_2.el8jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 8", "release_date": "2020-11-23T00:00:00Z"}, {"advisory": "RHSA-2021:0292", "cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "package": "tomcat", "product_name": "Red Hat support for Spring Boot 2.3.6", "release_date": "2021-02-02T00:00:00Z"}, {"advisory": "RHSA-2020:5388", "cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "package": "tomcat", "product_name": "Text-Only RHOAR", "release_date": "2021-01-07T00:00:00Z"}], "bugzilla": {"description": "tomcat: specially crafted sequence of HTTP/2 requests can lead to DoS", "id": "1851420", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1851420"}, "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 specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive."], "name": "CVE-2020-11996", "package_state": [{"cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:7", "fix_state": "Not affected", "package_name": "tomcat", "product_name": "Red Hat Decision Manager 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "tomcat6", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "tomcat", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "pki-deps:10.6/pki-servlet-engine", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:6", "fix_state": "Out of support scope", "package_name": "jbossweb", "product_name": "Red Hat JBoss Data Grid 6"}, {"cpe": "cpe:/a:redhat:jboss_data_virtualization:6", "fix_state": "Out of support scope", "package_name": "jbossweb", "product_name": "Red Hat JBoss Data Virtualization 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:6", "fix_state": "Out of support scope", "package_name": "jbossweb", "product_name": "Red Hat JBoss Enterprise Application Platform 6"}, {"cpe": "cpe:/a:redhat:jboss_fuse:6", "fix_state": "Out of support scope", "package_name": "tomcat", "product_name": "Red Hat JBoss Fuse 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3", "fix_state": "Not affected", "package_name": "tomcat", "product_name": "Red Hat JBoss Web Server 3"}, {"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Out of support scope", "package_name": "opendaylight", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Will not fix", "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": "tomcat", "product_name": "Red Hat Process Automation 7"}], "public_date": "2020-06-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-11996\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-11996\nhttp://mail-archives.apache.org/mod_mbox/tomcat-announce/202006.mbox/%3Cfd56bc1d-1219-605b-99c7-946bf7bd8ad4%40apache.org%3E\nhttp://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.0-M6\nhttp://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.56\nhttp://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.36"], "statement": "Red Hat OpenStack Platform's OpenDaylight will not be updated for this flaw because it was deprecated as of RHOSP14 and is only receiving security fixes for Important and Critical flaws.\nApache Tomcat versions as shipped with Red Hat Enterprise Linux 6 and 7 are not affected by this flaw as it doesn't support HTTP/2 protocol.\nRed Hat Enterprise Linux 8's Identity Management is using an affected version of Tomcat bundled within PKI servlet engine, however HTTP/2 protocol is not supported by this component.", "threat_severity": "Moderate", "upstream_fix": "tomcat 10.0.0-M6, tomcat 9.0.36, tomcat 8.5.56"}