CVE-2022-23408

Name: CVE-2022-23408
Creator: NVD / NIST
Published: 2022-01-18T21:15:07.863+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 1.23%

Last modified Jun 17, 2026

CVE-2022-23408 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects connections (without AEAD) using AES-CBC or DES3 with TLS 1.1 or 1.2 or DTLS 1.1 or 1.2. EPSS estimates a 1.23% chance of exploitation in the next 30 days.

Description

wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects connections (without AEAD) using AES-CBC or DES3 with TLS 1.1 or 1.2 or DTLS 1.1 or 1.2. This occurs because of misplaced memory initialization in BuildMessage in internal.c.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability

1.23%

65.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-330

Affected Software

Vendor	Product	Versions
Wolfssl	Wolfssl	>= 5.0.0, < 5.1.1

References

https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#wolfssl-release-511-jan-3rd-2022Release Notes, Third Party Advisory
https://github.com/wolfSSL/wolfssl/pull/4710Third Party Advisory
https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#wolfssl-release-511-jan-3rd-2022Release Notes, Third Party Advisory
https://github.com/wolfSSL/wolfssl/pull/4710Third Party Advisory

Timeline

Published: Jan 18, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-23408?

How severe is CVE-2022-23408?

CVE-2022-23408 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.23% probability of exploitation in the next 30 days.

How do I fix CVE-2022-23408?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-23408?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST