CVE-2020-11993
Description
Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing concurrent use of memory pools. Configuring the LogLevel of mod_http2 above info will mitigate this vulnerability for unpatched servers.
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
38.847
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Vulnerabilities CVE-2020-9490,CVE-2020-11984,CVE-2020-11993 are fixed in Apache Apache 2.4.44 | Windows |
| Vulnerabilities CVE-2020-9490,CVE-2020-11993 are fixed in Apache 2.4.44 | Windows |
| Apache HTTP server (USN-4458-1) apache2_2.4.41-4ubuntu3.1_i386.deb | Linux |
| Apache HTTP server (USN-4458-1) apache2_2.4.41-4ubuntu3.1_amd64.deb | Linux |
| Apache HTTP server (USN-4458-1) apache2_2.4.18-2ubuntu3.17_i386.deb | Linux |
| Apache HTTP server (USN-4458-1) apache2_2.4.18-2ubuntu3.17_amd64.deb | Linux |
| Apache HTTP server (USN-4458-1) apache2_2.4.29-1ubuntu4.14_i386.deb | Linux |
| Apache HTTP server (USN-4458-1) apache2_2.4.29-1ubuntu4.14_amd64.deb | Linux |
| Apache HTTP server (USN-4458-1) apache2-bin_2.4.41-4ubuntu3.1_i386.deb | Linux |
| Apache HTTP server (USN-4458-1) apache2-bin_2.4.41-4ubuntu3.1_amd64.deb | Linux |
| Apache HTTP server (USN-4458-1) apache2-bin_2.4.18-2ubuntu3.17_i386.deb | Linux |
| Apache HTTP server (USN-4458-1) apache2-bin_2.4.18-2ubuntu3.17_amd64.deb | Linux |
| Apache HTTP server (USN-4458-1) apache2-bin_2.4.29-1ubuntu4.14_i386.deb | Linux |
| Apache HTTP server (USN-4458-1) apache2-bin_2.4.29-1ubuntu4.14_amd64.deb | Linux |
| Apache HTTP server (USN-4458-1) libapache2-mod-proxy-uwsgi_2.4.41-4ubuntu3.1_i386.deb | Linux |
| Apache HTTP server (USN-4458-1) libapache2-mod-proxy-uwsgi_2.4.41-4ubuntu3.1_amd64.deb | Linux |
| apache2 security update(DSA-4757-1) apache2_2.4.38-3+deb10u4_i386.deb | Linux |
| apache2 security update(DSA-4757-1) apache2_2.4.38-3+deb10u4_amd64.deb | Linux |
| Vulnerabilities CVE-2020-9490,CVE-2020-11984,CVE-2020-11993 are fixed in Apache Apache 2.4.44 (For Linux) | Linux |
| (RHSA-2021:1809) httpd:2.4 security, bug fix, and enhancement update httpd-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm | Linux |
| (RHSA-2021:1809) httpd:2.4 security, bug fix, and enhancement update httpd-debugsource-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm | Linux |
| (RHSA-2021:1809) httpd:2.4 security, bug fix, and enhancement update httpd-devel-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm | Linux |
| (RHSA-2021:1809) httpd:2.4 security, bug fix, and enhancement update httpd-filesystem-2.4.37-39.module+el8.4.0+9658+b87b2deb.noarch.rpm | Linux |
| (RHSA-2021:1809) httpd:2.4 security, bug fix, and enhancement update httpd-manual-2.4.37-39.module+el8.4.0+9658+b87b2deb.noarch.rpm | Linux |
| (RHSA-2021:1809) httpd:2.4 security, bug fix, and enhancement update httpd-tools-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm | Linux |
| (RHSA-2021:1809) httpd:2.4 security, bug fix, and enhancement update mod_http2-1.15.7-3.module+el8.4.0+8625+d397f3da.x86_64.rpm | Linux |
| (RHSA-2021:1809) httpd:2.4 security, bug fix, and enhancement update mod_http2-debugsource-1.15.7-3.module+el8.4.0+8625+d397f3da.x86_64.rpm | Linux |
| (RHSA-2021:1809) httpd:2.4 security, bug fix, and enhancement update mod_ldap-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm | Linux |
| (RHSA-2021:1809) httpd:2.4 security, bug fix, and enhancement update mod_proxy_html-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm | Linux |
| (RHSA-2021:1809) httpd:2.4 security, bug fix, and enhancement update mod_session-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm | Linux |
| (RHSA-2021:1809) httpd:2.4 security, bug fix, and enhancement update mod_ssl-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm | Linux |
| Httpd update (ELSA-2022-0258) httpd-2.4.37-43.0.1.module+el8.5.0+20475+4f6a8fd5.1.x86_64.rpm | Linux |
| Httpd-devel update (ELSA-2022-0258) httpd-devel-2.4.37-43.0.1.module+el8.5.0+20475+4f6a8fd5.1.x86_64.rpm | Linux |
| Httpd-filesystem update (ELSA-2022-0258) httpd-filesystem-2.4.37-43.0.1.module+el8.5.0+20475+4f6a8fd5.1.noarch.rpm | Linux |
| Httpd-manual update (ELSA-2022-0258) httpd-manual-2.4.37-43.0.1.module+el8.5.0+20475+4f6a8fd5.1.noarch.rpm | Linux |
| Httpd-tools update (ELSA-2022-0258) httpd-tools-2.4.37-43.0.1.module+el8.5.0+20475+4f6a8fd5.1.x86_64.rpm | Linux |
| Mod_http2 update (ELSA-2022-0258) mod_http2-1.15.7-3.module+el8.4.0+20024+b87b2deb.x86_64.rpm | Linux |
| Mod_ldap update (ELSA-2022-0258) mod_ldap-2.4.37-43.0.1.module+el8.5.0+20475+4f6a8fd5.1.x86_64.rpm | Linux |
| Mod_md update (ELSA-2022-0258) mod_md-2.0.8-8.module+el8.5.0+20475+4f6a8fd5.x86_64.rpm | Linux |
| Mod_proxy_html update (ELSA-2022-0258) mod_proxy_html-2.4.37-43.0.1.module+el8.5.0+20475+4f6a8fd5.1.x86_64.rpm | Linux |
| Mod_session update (ELSA-2022-0258) mod_session-2.4.37-43.0.1.module+el8.5.0+20475+4f6a8fd5.1.x86_64.rpm | Linux |
| Mod_ssl update (ELSA-2022-0258) mod_ssl-2.4.37-43.0.1.module+el8.5.0+20475+4f6a8fd5.1.x86_64.rpm | Linux |
| Apache HTTP server (USN-4458-1) libapache2-mod-proxy-uwsgi_2.4.41-4ubuntu3.1_i386.deb | Linux |
| Apache HTTP server (USN-4458-1) libapache2-mod-proxy-uwsgi_2.4.41-4ubuntu3.1_amd64.deb | Linux |
| Httpd update (ELSA-2024-3121) httpd-2.4.37-64.module+el8.10.0+90271+3bc76a16.x86_64.rpm | Linux |
| Httpd-devel update (ELSA-2024-3121) httpd-devel-2.4.37-64.module+el8.10.0+90271+3bc76a16.x86_64.rpm | Linux |
| Httpd-filesystem update (ELSA-2024-3121) httpd-filesystem-2.4.37-64.module+el8.10.0+90271+3bc76a16.noarch.rpm | Linux |
| Httpd-manual update (ELSA-2024-3121) httpd-manual-2.4.37-64.module+el8.10.0+90271+3bc76a16.noarch.rpm | Linux |
| Httpd-tools update (ELSA-2024-3121) httpd-tools-2.4.37-64.module+el8.10.0+90271+3bc76a16.x86_64.rpm | Linux |
| Mod_http2 update (ELSA-2024-3121) mod_http2-1.15.7-10.module+el8.10.0+90327+96b8ea28.x86_64.rpm | Linux |
| Mod_ldap update (ELSA-2024-3121) mod_ldap-2.4.37-64.module+el8.10.0+90271+3bc76a16.x86_64.rpm | Linux |
| Mod_md update (ELSA-2024-3121) mod_md-2.0.8-8.module+el8.9.0+90011+2f9c6a23.x86_64.rpm | Linux |
| Mod_proxy_html update (ELSA-2024-3121) mod_proxy_html-2.4.37-64.module+el8.10.0+90271+3bc76a16.x86_64.rpm | Linux |
| Mod_session update (ELSA-2024-3121) mod_session-2.4.37-64.module+el8.10.0+90271+3bc76a16.x86_64.rpm | Linux |
| Mod_ssl update (ELSA-2024-3121) mod_ssl-2.4.37-64.module+el8.10.0+90271+3bc76a16.x86_64.rpm | Linux |
| Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling) Vulnerability (CVE-2020-11993) | NCM |
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