The version of tomcat installed on the remote host is prior to 9.0.81-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2TOMCAT9-2023-010 advisory.

    Incomplete Cleanup vulnerability in Apache Tomcat. When recycling various internal objects in Apache     Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and     from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading     to information leaking from the current request/response to the next. Users are recommended to upgrade to     version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.
    (CVE-2023-42795)

    The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation     can reset many streams quickly, as exploited in the wild in August through October 2023. (CVE-2023-44487)

    Improper Input Validation vulnerability in Apache Tomcat. Tomcat from 11.0.0-M1 through 11.0.0-M11, from     10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.81 and from 8.5.0 through 8.5.93 did not correctly     parse HTTP trailer headers. A specially crafted, invalid trailer header could cause Tomcat to treat a     single request as multiple requests leading to the possibility of request smuggling when behind a reverse     proxy. Users are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or     8.5.94 onwards, which fix the issue. (CVE-2023-45648)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

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Amazon Linux 2 : tomcat (ALASTOMCAT9-2023-010)

critical Nessus Plugin ID 183268

Version 1.6