CVE-2021-25329

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When using Apache Tomcat 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, 8.5.0 to 8.5.61 or 7.0.0. to 7.0.107 with a configuration edge case that was highly unlikely to be used, the Tomcat instance was still vulnerable to CVE-2020-9494. Note that both the previously published prerequisites for CVE-2020-9484 and the previously published mitigations for CVE-2020-9484 also apply to this issue."}, {"lang": "es", "value": "La correcci\u00f3n para el CVE-2020-9484 estaba incompleta.&#xa0;Cuando se usa Apache Tomcat versiones 10.0.0-M1 hasta 10.0.0, versiones 9.0.0.M1 hasta 9.0.41, versiones 8.5.0 hasta 8.5.61 o versiones 7.0.0.&#xa0;hasta 7.0.107, con un caso de borde de configuraci\u00f3n que era muy poco probable que se usara, la instancia de Tomcat segu\u00eda siendo vulnerable a CVE-2020-9494.&#xa0;Tome en cuenta que tanto los requisitos previos publicados anteriormente para CVE-2020-9484 como las mitigaciones publicadas anteriormente para CVE-2020-9484 tambi\u00e9n se aplican a este problema"}], "id": "CVE-2021-25329", "lastModified": "2026-10-08T21:17:34.640", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-25329", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-08T20:55:35.550192Z", "version": "2.0.3"}}]}, "published": "2021-03-01T12:15:14.280", "references": [{"source": "security@apache.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/03/01/2"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r11ce01e8a4c7269b88f88212f21830edf73558997ac7744f37769b77%40%3Cusers.tomcat.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r732b2ca289dc02df2de820e8775559abd6c207f159e39f559547a085%40%3Cusers.tomcat.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r8a2ac0e476dbfc1e6440b09dcc782d444ad635d6da26f0284725a5dc%40%3Cusers.tomcat.apache.org%3E"}, {"source": "security@apache.org", "url": 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"af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4891"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com//security-alerts/cpujul2021.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/cpuoct2021.html"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2022:5532", "cpe": "cpe:/a:redhat:jboss_fuse:7", "package": "tomcat", "product_name": "Red Hat Fuse 7.11", "release_date": "2022-07-07T00:00:00Z"}, {"advisory": "RHSA-2021:2562", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.5", "package": "tomcat", "product_name": "Red Hat JBoss Web Server 5", "release_date": "2021-06-29T00:00:00Z"}, {"advisory": "RHSA-2021:2561", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.5::el7", "package": "jws5-ecj-0:4.12.0-3.redhat_2.2.el7jws", "product_name": "Red Hat JBoss Web Server 5.5 on RHEL 7", "release_date": "2021-06-29T00:00:00Z"}, {"advisory": "RHSA-2021:2561", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.5::el7", "package": "jws5-mod_cluster-0:1.4.3-2.Final_redhat_00002.1.el7jws", "product_name": "Red Hat JBoss Web Server 5.5 on RHEL 7", "release_date": "2021-06-29T00:00:00Z"}, {"advisory": "RHSA-2021:2561", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.5::el7", "package": "jws5-tomcat-0:9.0.43-11.redhat_00011.1.el7jws", "product_name": "Red Hat JBoss Web Server 5.5 on RHEL 7", "release_date": "2021-06-29T00:00:00Z"}, {"advisory": "RHSA-2021:2561", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.5::el7", "package": "jws5-tomcat-native-0:1.2.26-3.redhat_3.el7jws", "product_name": "Red Hat JBoss Web Server 5.5 on RHEL 7", "release_date": "2021-06-29T00:00:00Z"}, {"advisory": "RHSA-2021:2561", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.5::el7", "package": "jws5-tomcat-vault-0:1.1.8-2.Final_redhat_00003.1.el7jws", "product_name": "Red Hat JBoss Web Server 5.5 on RHEL 7", "release_date": "2021-06-29T00:00:00Z"}, {"advisory": "RHSA-2021:2561", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.5::el8", "package": "jws5-ecj-0:4.12.0-3.redhat_2.2.el8jws", "product_name": "Red Hat JBoss Web Server 5.5 on RHEL 8", "release_date": "2021-06-29T00:00:00Z"}, {"advisory": "RHSA-2021:2561", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.5::el8", "package": "jws5-mod_cluster-0:1.4.3-2.Final_redhat_00002.1.el8jws", "product_name": "Red Hat JBoss Web Server 5.5 on RHEL 8", "release_date": "2021-06-29T00:00:00Z"}, {"advisory": "RHSA-2021:2561", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.5::el8", "package": "jws5-tomcat-0:9.0.43-11.redhat_00011.1.el8jws", "product_name": "Red Hat JBoss Web Server 5.5 on RHEL 8", "release_date": "2021-06-29T00:00:00Z"}, {"advisory": "RHSA-2021:2561", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.5::el8", "package": "jws5-tomcat-native-0:1.2.26-3.redhat_3.el8jws", "product_name": "Red Hat JBoss Web Server 5.5 on RHEL 8", "release_date": "2021-06-29T00:00:00Z"}, {"advisory": "RHSA-2021:2561", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.5::el8", "package": "jws5-tomcat-vault-0:1.1.8-2.Final_redhat_00003.1.el8jws", "product_name": "Red Hat JBoss Web Server 5.5 on RHEL 8", "release_date": "2021-06-29T00:00:00Z"}, {"advisory": "RHSA-2021:3425", "cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "package": "tomcat", "product_name": "Red Hat support for Spring Boot 2.3.10", "release_date": "2021-09-09T00:00:00Z"}], "bugzilla": {"description": "tomcat: Incomplete fix for CVE-2020-9484 (RCE via session persistence)", "id": "1934061", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1934061"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-502", "details": ["The fix for CVE-2020-9484 was incomplete. When using Apache Tomcat 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, 8.5.0 to 8.5.61 or 7.0.0. to 7.0.107 with a configuration edge case that was highly unlikely to be used, the Tomcat instance was still vulnerable to CVE-2020-9494. Note that both the previously published prerequisites for CVE-2020-9484 and the previously published mitigations for CVE-2020-9484 also apply to this issue."], "mitigation": {"lang": "en:us", "value": "Users may configure the PersistenceManager with an appropriate value for sessionAttributeValueClassNameFilter to ensure that only application provided attributes are serialized and deserialized. For more details about the configuration, refer to the Apache Tomcat 9 Configuration Reference https://tomcat.apache.org/tomcat-9.0-doc/config/manager.html."}, "name": "CVE-2021-25329", "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": "Out of support scope", "package_name": "tomcat6", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "tomcat", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "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": "Will not fix", "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": "2021-03-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-25329\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-25329\nhttp://mail-archives.apache.org/mod_mbox/tomcat-announce/202103.mbox/%3C811bba77-e74e-9f9b-62ca-5253a09ba84f%40apache.org%3E\nhttps://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.2\nhttps://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.108\nhttps://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.63\nhttps://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.43"], "statement": "In Red Hat Enterprise Linux 8, Red Hat Certificate System 10 and Identity Management are using the `pki-servlet-engine` component, which embeds a vulnerable version of Tomcat. However, in these specific contexts, the prerequisites to the vulnerability are not met. The PersistentManager is not set, and a SecurityManager is used. The use of `pki-servlet-engine` outside of these contexts is not supported. As a result, the vulnerability can not be triggered in supported configurations of these products.\nRed Hat OpenStack Platform's OpenDaylight will not be updated for this flaw because it was deprecated as of OpenStack Platform 14 and is only receiving security fixes for Important and Critical flaws.", "threat_severity": "Low"}

{}