Linux Distros Unpatched Vulnerability : CVE-2025-53506

high Nessus Plugin ID 245768

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

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

- Uncontrolled Resource Consumption vulnerability in Apache Tomcat if an HTTP/2 client did not acknowledge the initial settings frame that reduces the maximum permitted concurrent streams. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10.1.0-M1 through 10.1.42, from 9.0.0.M1 through 9.0.106. The following versions were EOL at the time the CVE was created but are known to be affected:
8.5.0 through 8.5.100. Users are recommended to upgrade to version 11.0.9, 10.1.43 or 9.0.107, which fix the issue. (CVE-2025-53506)

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

Solution

There is no known solution at this time.

Plugin Details

Severity: High

ID: 245768

File Name: unpatched_CVE_2025_53506.nasl

Version: 1.3

Type: local

Agent: unix

Family: Misc.

Published: 8/8/2025

Updated: 9/1/2025

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2025-53506

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:tomcat-el-2.2-api, p-cpe:/a:centos:centos:tomcat-docs-webapp, p-cpe:/a:centos:centos:tomcat6, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:tomcat6-lib, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:redhat:enterprise_linux:tomcat6-el-2.1-api, p-cpe:/a:centos:centos:tomcat-lib, p-cpe:/a:centos:centos:tomcat6-admin-webapps, p-cpe:/a:redhat:enterprise_linux:tomcat6-jsp-2.1-api, p-cpe:/a:centos:centos:tomcat, cpe:/o:debian:debian_linux:14.0, p-cpe:/a:centos:centos:tomcat-webapps, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:centos:centos:tomcat-admin-webapps, cpe:/o:centos:centos:7, p-cpe:/a:redhat:enterprise_linux:tomcat-lib, p-cpe:/a:centos:centos:tomcat-jsvc, p-cpe:/a:redhat:enterprise_linux:tomcat6-admin-webapps, p-cpe:/a:centos:centos:tomcat6-log4j, p-cpe:/a:centos:centos:tomcat6-webapps, p-cpe:/a:redhat:enterprise_linux:tomcat6-log4j, p-cpe:/a:debian:debian_linux:tomcat11, p-cpe:/a:redhat:enterprise_linux:tomcat-webapps, p-cpe:/a:redhat:enterprise_linux:tomcat-jsp-2.2-api, p-cpe:/a:redhat:enterprise_linux:tomcat6-servlet-2.5-api, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:tomcat-javadoc, p-cpe:/a:centos:centos:tomcat6-javadoc, p-cpe:/a:redhat:enterprise_linux:tomcat, p-cpe:/a:redhat:enterprise_linux:tomcat-servlet-3.0-api, p-cpe:/a:canonical:ubuntu_linux:tomcat9, p-cpe:/a:redhat:enterprise_linux:tomcat-jsvc, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:redhat:enterprise_linux:tomcat6-lib, p-cpe:/a:redhat:enterprise_linux:tomcat6-javadoc, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:25.04, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:centos:centos:pki-servlet-engine, p-cpe:/a:centos:centos:tomcat6-docs-webapp, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:tomcat-el-2.2-api, p-cpe:/a:centos:centos:tomcat-servlet-3.0-api, p-cpe:/a:redhat:enterprise_linux:tomcat6, p-cpe:/a:canonical:ubuntu_linux:tomcat10, p-cpe:/a:redhat:enterprise_linux:tomcat-admin-webapps, p-cpe:/a:redhat:enterprise_linux:tomcat-docs-webapp, p-cpe:/a:centos:centos:tomcat-jsp-2.2-api, p-cpe:/a:centos:centos:tomcat6-el-2.1-api, p-cpe:/a:redhat:enterprise_linux:tomcat6-webapps, p-cpe:/a:centos:centos:tomcat-javadoc, p-cpe:/a:redhat:enterprise_linux:pki-servlet-engine, p-cpe:/a:debian:debian_linux:tomcat10, p-cpe:/a:centos:centos:tomcat6-jsp-2.1-api, p-cpe:/a:redhat:enterprise_linux:tomcat6-docs-webapp, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:centos:centos:tomcat6-servlet-2.5-api, cpe:/o:debian:debian_linux:12.0

Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 7/4/2025

Reference Information

CVE: CVE-2025-53506

Detections

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