What’s Vulnerable › Vulnerabilities

CVE-2020-24585

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-21 · updated 2026-06-17

Description

An issue was discovered in the DTLS handshake implementation in wolfSSL before 4.5.0. Clear DTLS application_data messages in epoch 0 do not produce an out-of-order error. Instead, these messages are returned to the application.

Affected products

• wolfSSL: before 4.5.0 — fixed in 4.5.0

How to fix

Upgrade to a fixed version: wolfSSL 4.5.0. Check the vendor advisory for mitigations.

References

• https://github.com/wolfSSL/wolfssl/pull/3219
• https://github.com/wolfSSL/wolfssl/releases/tag/v4.5.0-stable
• https://github.com/wolfSSL/wolfssl/pull/3219
• https://github.com/wolfSSL/wolfssl/releases/tag/v4.5.0-stable

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