The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. Tomcat did     not escape ANSI escape sequences in log messages. If Tomcat was running in a console on a Windows     operating system, and the console supported ANSI escape sequences, it was possible for an attacker to use     a specially crafted URL to inject ANSI escape sequences to manipulate the console and the clipboard and     attempt to trick an administrator into running an attacker controlled command. While no attack vector was     found, it may have been possible to mount this attack on other operating systems. This issue affects     Apache Tomcat: from 11.0.0-M1 through 11.0.10, from 10.1.0-M1 through 10.1.44, from 9.0.40 through     9.0.108. The following versions were EOL at the time the CVE was created but are known to be affected:
    8.5.60 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade     to version 11.0.11 or later, 10.1.45 or later or 9.0.109 or later, which fix the issue. (CVE-2025-55754)

Note that Nessus relies on the presence of the package as reported by the vendor.

The version of Tomcat installed on the remote host is prior to 11.0.11. It is, therefore, affected by multiple vulnerabilities as referenced in the fixed_in_apache_tomcat_11.0.11_security-11 advisory.

  - Relative Path Traversal vulnerability in Apache Tomcat. The fix for bug 60013 introduced a regression     where the rewritten URL was normalized before it was decoded. This introduced the possibility that, for     rewrite rules that rewrite query parameters to the URL, an attacker could manipulate the request URI to     bypass security constraints including the protection for /WEB-INF/ and /META-INF/. If PUT requests were     also enabled then malicious files could be uploaded leading to remote code execution. PUT requests are     normally limited to trusted users and it is considered unlikely that PUT requests would be enabled in     conjunction with a rewrite that manipulated the URI. This issue affects Apache Tomcat: from 11.0.0-M1     through 11.0.10, from 10.1.0-M1 through 10.1.44, from 9.0.0.M11 through 9.0.108. The following versions     were EOL at the time the CVE was created but are known to be affected: 8.5.6 though 8.5.100. Other, older,     EOL versions may also be affected. Users are recommended to upgrade to version 11.0.11 or later, 10.1.45     or later or 9.0.109 or later, which fix the issue. (CVE-2025-55752)

  - Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. Tomcat did     not escape ANSI escape sequences in log messages. If Tomcat was running in a console on a Windows     operating system, and the console supported ANSI escape sequences, it was possible for an attacker to use     a specially crafted URL to inject ANSI escape sequences to manipulate the console and the clipboard and     attempt to trick an administrator into running an attacker controlled command. While no attack vector was     found, it may have been possible to mount this attack on other operating systems. This issue affects     Apache Tomcat: from 11.0.0-M1 through 11.0.10, from 10.1.0-M1 through 10.1.44, from 9.0.40 through     9.0.108. The following versions were EOL at the time the CVE was created but are known to be affected:
    8.5.60 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade     to version 11.0.11 or later, 10.1.45 or later or 9.0.109 or later, which fix the issue. (CVE-2025-55754)

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

The version of Tomcat installed on the remote host is prior to 9.0.109. It is, therefore, affected by multiple vulnerabilities as referenced in the fixed_in_apache_tomcat_9.0.109_security-9 advisory.

  - Relative Path Traversal vulnerability in Apache Tomcat. The fix for bug 60013 introduced a regression     where the rewritten URL was normalized before it was decoded. This introduced the possibility that, for     rewrite rules that rewrite query parameters to the URL, an attacker could manipulate the request URI to     bypass security constraints including the protection for /WEB-INF/ and /META-INF/. If PUT requests were     also enabled then malicious files could be uploaded leading to remote code execution. PUT requests are     normally limited to trusted users and it is considered unlikely that PUT requests would be enabled in     conjunction with a rewrite that manipulated the URI. This issue affects Apache Tomcat: from 11.0.0-M1     through 11.0.10, from 10.1.0-M1 through 10.1.44, from 9.0.0.M11 through 9.0.108. The following versions     were EOL at the time the CVE was created but are known to be affected: 8.5.6 though 8.5.100. Other, older,     EOL versions may also be affected. Users are recommended to upgrade to version 11.0.11 or later, 10.1.45     or later or 9.0.109 or later, which fix the issue. (CVE-2025-55752)

  - Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. Tomcat did     not escape ANSI escape sequences in log messages. If Tomcat was running in a console on a Windows     operating system, and the console supported ANSI escape sequences, it was possible for an attacker to use     a specially crafted URL to inject ANSI escape sequences to manipulate the console and the clipboard and     attempt to trick an administrator into running an attacker controlled command. While no attack vector was     found, it may have been possible to mount this attack on other operating systems. This issue affects     Apache Tomcat: from 11.0.0-M1 through 11.0.10, from 10.1.0-M1 through 10.1.44, from 9.0.40 through     9.0.108. The following versions were EOL at the time the CVE was created but are known to be affected:
    8.5.60 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade     to version 11.0.11 or later, 10.1.45 or later or 9.0.109 or later, which fix the issue. (CVE-2025-55754)

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

The version of Tomcat installed on the remote host is prior to 9.1.109. It is, therefore, affected by multiple vulnerabilities as referenced in the fixed_in_apache_tomcat_9.1.109_security-9 advisory.

  - Relative Path Traversal vulnerability in Apache Tomcat. The fix for bug 60013 introduced a regression     where the rewritten URL was normalized before it was decoded. This introduced the possibility that, for     rewrite rules that rewrite query parameters to the URL, an attacker could manipulate the request URI to     bypass security constraints including the protection for /WEB-INF/ and /META-INF/. If PUT requests were     also enabled then malicious files could be uploaded leading to remote code execution. PUT requests are     normally limited to trusted users and it is considered unlikely that PUT requests would be enabled in     conjunction with a rewrite that manipulated the URI. This issue affects Apache Tomcat: from 11.0.0-M1     through 11.0.10, from 10.1.0-M1 through 10.1.44, from 9.0.0.M11 through 9.0.108. The following versions     were EOL at the time the CVE was created but are known to be affected: 8.5.6 though 8.5.100. Other, older,     EOL versions may also be affected. Users are recommended to upgrade to version 11.0.11 or later, 10.1.45     or later or 9.0.109 or later, which fix the issue. (CVE-2025-55752)

  - Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. Tomcat did     not escape ANSI escape sequences in log messages. If Tomcat was running in a console on a Windows     operating system, and the console supported ANSI escape sequences, it was possible for an attacker to use     a specially crafted URL to inject ANSI escape sequences to manipulate the console and the clipboard and     attempt to trick an administrator into running an attacker controlled command. While no attack vector was     found, it may have been possible to mount this attack on other operating systems. This issue affects     Apache Tomcat: from 11.0.0-M1 through 11.0.10, from 10.1.0-M1 through 10.1.44, from 9.0.40 through     9.0.108. The following versions were EOL at the time the CVE was created but are known to be affected:
    8.5.60 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade     to version 11.0.11 or later, 10.1.45 or later or 9.0.109 or later, which fix the issue. (CVE-2025-55754)

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

The version of Tomcat installed on the remote host is prior to 10.1.45. It is, therefore, affected by multiple vulnerabilities as referenced in the fixed_in_apache_tomcat_10.1.45_security-10 advisory.

  - Relative Path Traversal vulnerability in Apache Tomcat. The fix for bug 60013 introduced a regression     where the rewritten URL was normalized before it was decoded. This introduced the possibility that, for     rewrite rules that rewrite query parameters to the URL, an attacker could manipulate the request URI to     bypass security constraints including the protection for /WEB-INF/ and /META-INF/. If PUT requests were     also enabled then malicious files could be uploaded leading to remote code execution. PUT requests are     normally limited to trusted users and it is considered unlikely that PUT requests would be enabled in     conjunction with a rewrite that manipulated the URI. This issue affects Apache Tomcat: from 11.0.0-M1     through 11.0.10, from 10.1.0-M1 through 10.1.44, from 9.0.0.M11 through 9.0.108. The following versions     were EOL at the time the CVE was created but are known to be affected: 8.5.6 though 8.5.100. Other, older,     EOL versions may also be affected. Users are recommended to upgrade to version 11.0.11 or later, 10.1.45     or later or 9.0.109 or later, which fix the issue. (CVE-2025-55752)

  - Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. Tomcat did     not escape ANSI escape sequences in log messages. If Tomcat was running in a console on a Windows     operating system, and the console supported ANSI escape sequences, it was possible for an attacker to use     a specially crafted URL to inject ANSI escape sequences to manipulate the console and the clipboard and     attempt to trick an administrator into running an attacker controlled command. While no attack vector was     found, it may have been possible to mount this attack on other operating systems. This issue affects     Apache Tomcat: from 11.0.0-M1 through 11.0.10, from 10.1.0-M1 through 10.1.44, from 9.0.40 through     9.0.108. The following versions were EOL at the time the CVE was created but are known to be affected:
    8.5.60 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade     to version 11.0.11 or later, 10.1.45 or later or 9.0.109 or later, which fix the issue. (CVE-2025-55754)

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

ID	Name	Product	Family	Published	Updated	Severity
271820	Linux Distros Unpatched Vulnerability : CVE-2025-55754	Nessus	Misc.	10/28/2025	10/29/2025	critical
271693	Apache Tomcat 11.0.0.M1 < 11.0.11 multiple vulnerabilities	Nessus	Web Servers	10/27/2025	10/27/2025	high
271806	Apache Tomcat 9.0.40 < 9.0.109 multiple vulnerabilities	Nessus	Web Servers	10/28/2025	10/28/2025	high
271691	Apache Tomcat 9.0.40 < 9.1.109 multiple vulnerabilities	Nessus	Web Servers	10/27/2025	10/27/2025	high
271692	Apache Tomcat 10.1.0.M1 < 10.1.45 multiple vulnerabilities	Nessus	Web Servers	10/27/2025	10/27/2025	high

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