What is CVE-2021-44718?

CVE-2021-44718 is a medium-severity vulnerability in Wolfssl, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.9/10. Published 2022-09-02.

How severe is CVE-2021-44718?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Wolfssl

CVE-2021-44718

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.

EPSS: 0.006 (46.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Wolfssl
N/a — versions n/a

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2021-44718?: CVE-2021-44718 is a medium-severity vulnerability in Wolfssl, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.9/10. Published 2022-09-02.
How severe is CVE-2021-44718?: Medium severity. CVSS v3 base score is 5.9 out of 10.