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 Software | Affected Version | How to fix |
|---|---|---|
| Wolfssl Wolfssl | <=5.0.0 |
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Reference Links
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.
- collector/nvd-index
- agent/description
- vendor/wolfssl
- canonical/wolfssl wolfssl
- version/wolfssl wolfssl/5.0.0