{ "document": { "aggregate_severity": { "text": "High" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/debian10els/vex/2020/cve-2020-9484-els_os-debian10els.json" } ], "title": "Security update on CVE-2020-9484", "tracking": { "current_release_date": "2025-12-23T22:15:38Z", "generator": { "date": "2025-12-23T22:15:38Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2020-9484-ELS_OS-DEBIAN10ELS", "initial_release_date": "2020-05-20T19:15:00Z", "revision_history": [ { "date": "2020-05-20T19:15:00Z", "number": "1", "summary": "Initial version" }, { "date": "2025-11-29T10:49:05Z", "number": "2", 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"Debian-10" }, { "category": "default_component_of", "full_product_name": { "name": "tomcat9-docs-9.0.31-1~deb10u12.all as a component of Debian None", "product_id": "Debian-10:tomcat9-docs-9.0.31-1~deb10u12.all" }, "product_reference": "tomcat9-docs-9.0.31-1~deb10u12.all", "relates_to_product_reference": "Debian-10" }, { "category": "default_component_of", "full_product_name": { "name": "tomcat9-examples-9.0.31-1~deb10u12.all as a component of Debian None", "product_id": "Debian-10:tomcat9-examples-9.0.31-1~deb10u12.all" }, "product_reference": "tomcat9-examples-9.0.31-1~deb10u12.all", "relates_to_product_reference": "Debian-10" } ] }, "vulnerabilities": [ { "cve": "CVE-2020-9484", "cwe": { "id": "CWE-502", "name": "Deserialization of Untrusted Data" }, "notes": [ { "category": "description", "text": "When using Apache Tomcat versions 10.0.0-M1 to 10.0.0-M4, 9.0.0.M1 to 9.0.34, 8.5.0 to 8.5.54 and 7.0.0 to 7.0.103 if a) an attacker is able to control the contents and name of a file on the server; and b) the server is configured to use the PersistenceManager with a FileStore; and c) the PersistenceManager is configured with sessionAttributeValueClassNameFilter=\"null\" (the default unless a SecurityManager is used) or a sufficiently lax filter to allow the attacker provided object to be deserialized; and d) the attacker knows the relative file path from the storage location used by FileStore to the file the attacker has control over; then, using a specifically crafted request, the attacker will be able to trigger remote code execution via deserialization of the file under their control. Note that all of conditions a) to d) must be true for the attack to succeed.", "title": "Vulnerability description" }, { "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": [ "Debian-10:libtomcat9-embed-java-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:libtomcat9-embed-java-0:9.0.31-1~deb10u12+tuxcare.els3.all", "Debian-10:libtomcat9-java-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:libtomcat9-java-0:9.0.31-1~deb10u12+tuxcare.els3.all", "Debian-10:tomcat9-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:tomcat9-0:9.0.31-1~deb10u12+tuxcare.els3.all", "Debian-10:tomcat9-admin-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:tomcat9-admin-0:9.0.31-1~deb10u12+tuxcare.els3.all", "Debian-10:tomcat9-common-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:tomcat9-common-0:9.0.31-1~deb10u12+tuxcare.els3.all", "Debian-10:tomcat9-docs-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:tomcat9-docs-0:9.0.31-1~deb10u12+tuxcare.els3.all", "Debian-10:tomcat9-examples-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:tomcat9-examples-0:9.0.31-1~deb10u12+tuxcare.els3.all", "Debian-10:tomcat9-user-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:tomcat9-user-0:9.0.31-1~deb10u12+tuxcare.els3.all" ], "known_affected": [ "Debian-10:libtomcat9-embed-java-9.0.31-1~deb10u12.all", "Debian-10:libtomcat9-java-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-admin-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-common-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-docs-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-examples-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-user-9.0.31-1~deb10u12.all" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2020-9484" }, { "category": "external", "summary": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00057.html", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00057.html" }, { "category": "external", "summary": "http://packetstormsecurity.com/files/157924/Apache-Tomcat-CVE-2020-9484-Proof-Of-Concept.html", "url": "http://packetstormsecurity.com/files/157924/Apache-Tomcat-CVE-2020-9484-Proof-Of-Concept.html" }, { "category": "external", "summary": "http://seclists.org/fulldisclosure/2020/Jun/6", "url": "http://seclists.org/fulldisclosure/2020/Jun/6" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2021/03/01/2", "url": "http://www.openwall.com/lists/oss-security/2021/03/01/2" }, { "category": "external", "summary": "https://kc.mcafee.com/corporate/index?page=content&id=SB10332", "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10332" }, { 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"https://lists.apache.org/thread.html/rfe62fbf9d4c314f166fe8c668e50e5d9dd882a99447f26f0367474bf%40%3Cusers.tomcat.apache.org%3E", "url": "https://lists.apache.org/thread.html/rfe62fbf9d4c314f166fe8c668e50e5d9dd882a99447f26f0367474bf%40%3Cusers.tomcat.apache.org%3E" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2020/05/msg00020.html", "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00020.html" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2020/05/msg00026.html", "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00026.html" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2020/07/msg00010.html", "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00010.html" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIQHXENTLYUNOES4LXVNJ2NCUQQRF5VJ/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIQHXENTLYUNOES4LXVNJ2NCUQQRF5VJ/" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJ7XHKWJWDNWXUJH6UB7CLIW4TWOZ26N/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJ7XHKWJWDNWXUJH6UB7CLIW4TWOZ26N/" }, { "category": "external", "summary": "https://security.gentoo.org/glsa/202006-21", "url": "https://security.gentoo.org/glsa/202006-21" }, { "category": "external", "summary": "https://security.netapp.com/advisory/ntap-20200528-0005/", "url": "https://security.netapp.com/advisory/ntap-20200528-0005/" }, { "category": "external", "summary": "https://usn.ubuntu.com/4448-1/", "url": "https://usn.ubuntu.com/4448-1/" }, { "category": "external", "summary": "https://usn.ubuntu.com/4596-1/", "url": "https://usn.ubuntu.com/4596-1/" }, { "category": "external", "summary": "https://www.debian.org/security/2020/dsa-4727", "url": "https://www.debian.org/security/2020/dsa-4727" }, { "category": "external", "summary": "https://www.oracle.com//security-alerts/cpujul2021.html", "url": "https://www.oracle.com//security-alerts/cpujul2021.html" }, { "category": "external", "summary": "https://www.oracle.com/security-alerts/cpuApr2021.html", "url": "https://www.oracle.com/security-alerts/cpuApr2021.html" }, { "category": "external", "summary": "https://www.oracle.com/security-alerts/cpujan2021.html", "url": "https://www.oracle.com/security-alerts/cpujan2021.html" }, { "category": "external", "summary": "https://www.oracle.com/security-alerts/cpujan2022.html", "url": "https://www.oracle.com/security-alerts/cpujan2022.html" }, { "category": "external", "summary": "https://www.oracle.com/security-alerts/cpujul2020.html", "url": "https://www.oracle.com/security-alerts/cpujul2020.html" }, { "category": "external", "summary": "https://www.oracle.com/security-alerts/cpujul2022.html", "url": "https://www.oracle.com/security-alerts/cpujul2022.html" }, { "category": "external", "summary": "https://www.oracle.com/security-alerts/cpuoct2020.html", "url": "https://www.oracle.com/security-alerts/cpuoct2020.html" }, { "category": "external", "summary": "https://www.oracle.com/security-alerts/cpuoct2021.html", "url": "https://www.oracle.com/security-alerts/cpuoct2021.html" } ], "release_date": "2020-05-20T19:15:00Z", "remediations": [ { "category": "none_available", "details": "Affected", "product_ids": [ "Debian-10:libtomcat9-embed-java-9.0.31-1~deb10u12.all", "Debian-10:libtomcat9-java-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-admin-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-common-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-docs-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-examples-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-user-9.0.31-1~deb10u12.all" ] } ], "scores": [ { "cvss_v2": { "accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0" }, "cvss_v3": { "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" }, "products": [ "Debian-10:libtomcat9-embed-java-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:libtomcat9-embed-java-0:9.0.31-1~deb10u12+tuxcare.els3.all", "Debian-10:libtomcat9-embed-java-9.0.31-1~deb10u12.all", "Debian-10:libtomcat9-java-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:libtomcat9-java-0:9.0.31-1~deb10u12+tuxcare.els3.all", "Debian-10:libtomcat9-java-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:tomcat9-0:9.0.31-1~deb10u12+tuxcare.els3.all", "Debian-10:tomcat9-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-admin-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:tomcat9-admin-0:9.0.31-1~deb10u12+tuxcare.els3.all", "Debian-10:tomcat9-admin-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-common-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:tomcat9-common-0:9.0.31-1~deb10u12+tuxcare.els3.all", "Debian-10:tomcat9-common-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-docs-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:tomcat9-docs-0:9.0.31-1~deb10u12+tuxcare.els3.all", "Debian-10:tomcat9-docs-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-examples-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:tomcat9-examples-0:9.0.31-1~deb10u12+tuxcare.els3.all", "Debian-10:tomcat9-examples-9.0.31-1~deb10u12.all", "Debian-10:tomcat9-user-0:9.0.31-1~deb10u12+tuxcare.els1.all", "Debian-10:tomcat9-user-0:9.0.31-1~deb10u12+tuxcare.els3.all", "Debian-10:tomcat9-user-9.0.31-1~deb10u12.all" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }