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The fix for bug CVE-2020-9484 introduced a time of check, time of use vulnerability into Apache Tomcat 10.1.0-M1 to 10.1.0-M8, 10.0.0-M5 to 10.0.14, 9.0.35 to 9.0.56 and 8.5.55 to 8.5.73 that allowed a local attacker to perform actions with the privileges of the user that the Tomcat process is using. This issue is only exploitable when Tomcat is configured to persist sessions using the FileStore.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade tomcatUpgrade tomcat-el-3.0-apiUpgrade tomcat-libUpgrade tomcat-docs-webappUpgrade tomcat-servlet-3.1-apiUpgrade tomcat-webappsUpgrade tomcat-javadocUpgrade tomcat-jsvcUpgrade tomcat-admin-webappsUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-servlet-4.0-api | Sep 28, 2023 | Jan 27, 2022 |
| Amazon_linux | — | Upgrade tomcat8 | Mar 9, 2022 | Jan 27, 2022 |
| Apache Tomcat | — | Upgrade Apache Tomcat to 9.0.58Upgrade Apache Tomcat to 10.0.14Upgrade Apache Tomcat to the latest available versionUpgrade Apache Tomcat to 8.5.75 | Apr 6, 2022 | Jan 27, 2022 |
| Debian | — | Upgrade tomcat9 | Oct 28, 2022 | Jan 27, 2022 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jan 27, 2022 |
| Suse | — | Upgrade tomcat-el-3_0-apiUpgrade tomcat-jsp-2_3-apiUpgrade tomcat-libUpgrade tomcat-docs-webappUpgrade tomcatUpgrade tomcat-jsvcUpgrade tomcat-javadocUpgrade tomcat-admin-webappsUpgrade tomcat-servlet-4_0-apiUpgrade tomcat-embedUpgrade tomcat-webapps | Mar 4, 2022 | Jan 27, 2022 |
| Ubuntu | — | Upgrade tomcat9 (Ubuntu Pro)Upgrade tomcat8 (Ubuntu Pro)Upgrade tomcat9Upgrade libtomcat9-javaUpgrade tomcat8-docs (Ubuntu Pro)Upgrade libtomcat8-java (Ubuntu Pro)Upgrade tomcat9-docs (Ubuntu Pro)Upgrade tomcat9-docsUpgrade libtomcat9-java (Ubuntu Pro) | Aug 2, 2024 | Jan 27, 2022 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jan 27, 2022 |
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