Apache – CVE-2020-13950


Kayran has detected that the Version of Apache HTTP Server being used is vulnerable to a ‘mod_proxy_http’ null pointer dereference.

CVE-2020-13950 is categorized as a ‘NULL Pointer Dereference’ vulnerability (CWE-476).
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is actually NULL.
That, will probably cause a crash or an exit.

NULL pointer dereference issues can occur through a number of flaws, including race conditions, and simple programming omissions.

Attackers could cause the ‘mod_proxy_http’ to crash (via NULL pointer dereference).
They do that by crafting requests that uses both Content-Length and Transfer-Encoding headers, which could lead to a Denial of Service (DoS).

It could lead to a decrease in performance and interruptions in the availability of resources.


To fix CVE-2020-13950, upgrade the version of Apache HTTP Server being used to 2.4.48.




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