Apache – CVE-2021-26690

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Description

Kayran has detected that the version of Apache HTTP Server being used is vulnerable to a NULL Pointer Dereference vulnerability. Also known as CVE-2021-26690.

By using a specially crafted Cookie header handled by mod_session that can cause a NULL pointer dereference that could lead to crashes or an exit.
That may lead to a possible Denial Of Service (DoS) attack against your assets.

This will cause a decrease in performance and also for interruptions in the availability of resources.

Recommendation

To fix CVE-2021-26690, upgrade the version of Apache Server being used to 2.4.48.

References

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26690

https://cwe.mitre.org/data/definitions/476.html

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