CVE-2020-11996
Description
A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive.
Risk Information
Base Score
7.5
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
45.121
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Vulnerabilities CVE-2020-11996 are fixed in 7 June 2020 Fixed in Apache Tomcat 10.0.0-M6 | Windows |
| Vulnerabilities CVE-2020-11996 are fixed in 7 June 2020 Fixed in Apache Tomcat 9.0.36 | Windows |
| Vulnerabilities CVE-2020-11996 are fixed in 7 June 2020 Fixed in Apache Tomcat 8.5.56 | Windows |
| Vulnerabilities CVE-2020-8022,CVE-2020-11996 are fixed in Apache - tomcat 9.0.35 | Windows |
| Vulnerabilities CVE-2020-11996 are fixed in Apache - tomcat 10.0.0 | Windows |
| Vulnerabilities CVE-2020-11996 are fixed in Apache - tomcat 8.5.55 | Windows |
| SUSE-SU-2020:1963-1(SUSE Linux Enterprise Server 12-SP5 ) tomcat-9.0.36-3.42.2.noarch.rpm | Linux |
| SUSE-SU-2020:1963-1(SUSE Linux Enterprise Server 12-SP5 ) tomcat-admin-webapps-9.0.36-3.42.2.noarch.rpm | Linux |
| SUSE-SU-2020:1963-1(SUSE Linux Enterprise Server 12-SP5 ) tomcat-docs-webapp-9.0.36-3.42.2.noarch.rpm | Linux |
| SUSE-SU-2020:1963-1(SUSE Linux Enterprise Server 12-SP5 ) tomcat-el-3_0-api-9.0.36-3.42.2.noarch.rpm | Linux |
| SUSE-SU-2020:1963-1(SUSE Linux Enterprise Server 12-SP5 ) tomcat-javadoc-9.0.36-3.42.2.noarch.rpm | Linux |
| SUSE-SU-2020:1963-1(SUSE Linux Enterprise Server 12-SP5 ) tomcat-jsp-2_3-api-9.0.36-3.42.2.noarch.rpm | Linux |
| SUSE-SU-2020:1963-1(SUSE Linux Enterprise Server 12-SP5 ) tomcat-lib-9.0.36-3.42.2.noarch.rpm | Linux |
| SUSE-SU-2020:1963-1(SUSE Linux Enterprise Server 12-SP5 ) tomcat-servlet-4_0-api-9.0.36-3.42.2.noarch.rpm | Linux |
| SUSE-SU-2020:1963-1(SUSE Linux Enterprise Server 12-SP5 ) tomcat-webapps-9.0.36-3.42.2.noarch.rpm | Linux |
| Apache Tomcat 9 - Servlet and JSP engine (USN-4596-1) tomcat9_9.0.31-1ubuntu0.1_all.deb | Linux |
| Apache Tomcat 9 - Servlet and JSP engine (USN-4596-1) tomcat9-common_9.0.31-1ubuntu0.1_all.deb | Linux |
| Apache Tomcat 9 - Servlet and JSP engine (USN-4596-1) libtomcat9-java_9.0.31-1ubuntu0.1_all.deb | Linux |
| Apache Tomcat 9 - Servlet and JSP engine (USN-4596-1) libtomcat9-embed-java_9.0.31-1ubuntu0.1_all.deb | Linux |
| Vulnerabilities CVE-2020-11996 are fixed in 7 June 2020 Fixed in Apache Tomcat 10.0.0-M6 (For Linux) | Linux |
| Vulnerabilities CVE-2020-11996 are fixed in 7 June 2020 Fixed in Apache Tomcat 9.0.36 (For Linux) | Linux |
| Vulnerabilities CVE-2020-11996 are fixed in 7 June 2020 Fixed in Apache Tomcat 8.5.56 (For Linux) | Linux |
| Vulnerabilities CVE-2020-8022,CVE-2020-11996 are fixed in Apache - tomcat for Linux 9.0.35 | Linux |
| Vulnerabilities CVE-2020-11996 are fixed in Apache - tomcat for Linux 10.0.0 | Linux |
| Vulnerabilities CVE-2020-11996 are fixed in Apache - tomcat for Linux 8.5.55 | Linux |
Patch Details
No records foundReferences
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234