CVE-2022-23408
mediumpriority · track · 36OT risk · elevatedEPSS 0.014 · 72 %ileEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.4–9.1
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#wolfssl-release-511-jan-3rd-2022cnnvd
- https://github.com/wolfSSL/wolfssl/pull/4710cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2022-23408cnnvd
- https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#wolfssl-release-511-jan-3rd-2022enisa_euvd
- https://github.com/wolfSSL/wolfssl/pull/4710enisa_euvd
- https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#wolfssl-release-511-jan-3rd-2022Release NotesThird Party Advisorynvd
- https://github.com/wolfSSL/wolfssl/pull/4710Third Party Advisorynvd
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