![]() ![]() It is likely that users upgrading to 9.0.31, 8.5.51 or 7.0.100 or later will need to make small changes to their configurations. A number of changes were made to the default AJP Connector configuration in 9.0.31 to harden the default configuration. Users wishing to take a defence-in-depth approach and block the vector that permits returning arbitrary files and execution as JSP may upgrade to Apache Tomcat 9.0.31, 8.5.51 or 7.0.100 or later. It is important to note that mitigation is only required if an AJP port is accessible to untrusted users. ![]() This vulnerability report identified a mechanism that allowed: - returning arbitrary files from anywhere in the web application - processing any file in the web application as a JSP Further, if the web application allowed file upload and stored those files within the web application (or the attacker was able to control the content of the web application by some other means) then this, along with the ability to process a file as a JSP, made remote code execution possible. It was expected (and recommended in the security guide) that this Connector would be disabled if not required. In Apache Tomcat 9.0.0.M1 to 9.0.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99, Tomcat shipped with an AJP Connector enabled by default that listened on all configured IP addresses. If such connections are available to an attacker, they can be exploited in ways that may be surprising. Tomcat treats AJP connections as having higher trust than, for example, a similar HTTP connection. When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to Apache Tomcat. Recent Apache Tomcat Security Vulnerabilities Additionally vulnerabilities may be tagged under a different product or component name. It may take a day or so for new Tomcat vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Last year, the average CVE base score was greater by 0.30 Last year Tomcat had 6 security vulnerabilities published.Īt the current rates, it appears that the number of vulnerabilities last year and this year may equal out. In 2023 there have been 3 vulnerabilities in Apache Tomcat with an average score of 6.4 out of ten. If such connections are available to an attacker, they can be exploited. CVE-2017-12615Īpache Tomcat Improper Privilege Management VulnerabilityĪpache Tomcat treats Apache JServ Protocol (AJP) connections as having higher trust than, for example, a similar HTTP connection. This JSP could then be requested and any code it contained would be executed by the server. When running Apache Tomcat on Windows with HTTP PUTs enabled, it is possible to upload a JSP file to the server via a specially crafted request. ![]() CVE-2017-12617Īpache Tomcat on Windows Remote Code Execution Vulnerability When running Apache Tomcat, it is possible to upload a JSP file to the server via a specially crafted request. This CVE exists because this listener wasn't updated for consistency with the Oracle patched issues for CVE-2016-3427 which affected credential types. TitleĪpache Tomcat Remote Code Execution VulnerabilityĪpache Tomcat contains an unspecified vulnerability that allows for remote code execution if JmxRemoteLifecycleListener is used and an attacker can reach Java Management Extension (JMX) ports. The following Apache Tomcat vulnerabilities have been marked by CISA as Known to be Exploited by threat actors. Watch Known Exploited Apache Tomcat Vulnerabilities ![]()
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