CWE
835
Advisory Published
Updated

CVE-2021-44718

First published: Fri Sep 02 2022(Updated: )

wolfSSL through 5.0.0 allows an attacker to cause a denial of service and infinite loop in the client component by sending crafted traffic from a Machine-in-the-Middle (MITM) position. The root cause is that the client module accepts TLS messages that normally are only sent to TLS servers.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
WolfSSL wolfssl<=5.0.0

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Frequently Asked Questions

  • What is CVE-2021-44718?

    CVE-2021-44718 is a vulnerability in wolfSSL through version 5.0.0 that allows an attacker to cause a denial of service and infinite loop in the client component by sending crafted traffic from a Machine-in-the-Middle (MITM) position.

  • How does CVE-2021-44718 affect wolfSSL?

    CVE-2021-44718 affects wolfSSL through version 5.0.0 by allowing an attacker to cause a denial of service and infinite loop in the client component.

  • What is the severity of CVE-2021-44718?

    The severity of CVE-2021-44718 is medium with a CVSSv3 score of 5.9.

  • How can an attacker exploit CVE-2021-44718?

    An attacker can exploit CVE-2021-44718 by sending crafted traffic from a Machine-in-the-Middle (MITM) position.

  • How can I fix the CVE-2021-44718 vulnerability?

    To fix the CVE-2021-44718 vulnerability, update wolfSSL to version 5.0.1 or later.

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