What is CVE-2020-24585?

CVE-2020-24585 is a medium-severity vulnerability in Wolfssl. CVSS score: 5.3/10. Published 2020-08-21.

How severe is CVE-2020-24585?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Wolfssl

CVE-2020-24585

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.

Published 2020-08-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Wolfssl

References

github.com/wolfSSL/wolfssl/pull/3219 (Third Party Advisory)
github.com/wolfSSL/wolfssl/releases/tag/v4.5.0-stable (Third Party Advisory)

Frequently asked questions

What is CVE-2020-24585?: CVE-2020-24585 is a medium-severity vulnerability in Wolfssl. CVSS score: 5.3/10. Published 2020-08-21.
How severe is CVE-2020-24585?: Medium severity. CVSS v3 base score is 5.3 out of 10.