high
7.5
CWE
476
Advisory Published
CVE Published
CVE Published
Updated

CVE-2020-13950: mod_proxy_http NULL pointer dereference

First published: Tue Jun 01 2021(Updated: )

A flaw was found In Apache httpd. The mod_proxy has a NULL pointer dereference. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Credit: security@apache.org

Affected SoftwareAffected VersionHow to fix
redhat/jbcs-httpd24-apr<0:1.6.3-107.el8
0:1.6.3-107.el8
redhat/jbcs-httpd24-apr-util<0:1.6.1-84.el8
0:1.6.1-84.el8
redhat/jbcs-httpd24-curl<0:7.78.0-2.el8
0:7.78.0-2.el8
redhat/jbcs-httpd24-httpd<0:2.4.37-78.el8
0:2.4.37-78.el8
redhat/jbcs-httpd24-nghttp2<0:1.39.2-39.el8
0:1.39.2-39.el8
redhat/jbcs-httpd24-openssl<1:1.1.1g-8.el8
1:1.1.1g-8.el8
redhat/jbcs-httpd24-openssl-chil<0:1.0.0-7.el8
0:1.0.0-7.el8
redhat/jbcs-httpd24-openssl-pkcs11<0:0.4.10-22.el8
0:0.4.10-22.el8
redhat/jbcs-httpd24-apr<0:1.6.3-107.jbcs.el7
0:1.6.3-107.jbcs.el7
redhat/jbcs-httpd24-apr-util<0:1.6.1-84.jbcs.el7
0:1.6.1-84.jbcs.el7
redhat/jbcs-httpd24-curl<0:7.78.0-2.jbcs.el7
0:7.78.0-2.jbcs.el7
redhat/jbcs-httpd24-httpd<0:2.4.37-78.jbcs.el7
0:2.4.37-78.jbcs.el7
redhat/jbcs-httpd24-nghttp2<0:1.39.2-39.jbcs.el7
0:1.39.2-39.jbcs.el7
redhat/jbcs-httpd24-openssl<1:1.1.1g-8.jbcs.el7
1:1.1.1g-8.jbcs.el7
redhat/jbcs-httpd24-openssl-chil<0:1.0.0-7.jbcs.el7
0:1.0.0-7.jbcs.el7
redhat/jbcs-httpd24-openssl-pkcs11<0:0.4.10-22.jbcs.el7
0:0.4.10-22.jbcs.el7
redhat/httpd<2.4.47
2.4.47
Apache Http Server>=2.4.41<=2.4.46
Debian Linux=9.0
Debian Linux=10.0
Red Hat Fedora=34
Red Hat Fedora=35
Oracle Enterprise Manager Ops Center=12.4.0.0
Oracle Instantis EnterpriseTrack=17.1
Oracle Instantis EnterpriseTrack=17.2
Oracle Instantis EnterpriseTrack=17.3
Oracle Storage Cloud Software Appliance=8.8

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID of this flaw in Apache httpd?

    The vulnerability ID is CVE-2020-13950.

  • What is the severity of CVE-2020-13950?

    The severity of CVE-2020-13950 is high, with a severity value of 7.5.

  • Which version of Apache httpd is affected by CVE-2020-13950?

    Apache httpd versions 2.4.41 to 2.4.46 are affected by CVE-2020-13950.

  • How can CVE-2020-13950 be exploited?

    CVE-2020-13950 can be exploited by sending specially crafted requests using both Content-Length and Transfer-Encoding headers.

  • How can I fix the CVE-2020-13950 vulnerability?

    To fix the CVE-2020-13950 vulnerability, update your Apache httpd version to 2.4.47 or later.

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