What is CVE-2021-38597?

CVE-2021-38597 is a medium-severity vulnerability in Wolfssl, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.9/10. Published 2021-08-12.

How severe is CVE-2021-38597?

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

Vulnerability in Wolfssl

CVE-2021-38597

wolfSSL before 4.8.1 incorrectly skips OCSP verification in certain situations of irrelevant response data that contains the NoCheck extension.

EPSS: 0.005 (38.9th 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:H/I:N/A:N.

Affected products

Wolfssl
N/a — versions n/a

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

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

Frequently asked questions

What is CVE-2021-38597?: CVE-2021-38597 is a medium-severity vulnerability in Wolfssl, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.9/10. Published 2021-08-12.
How severe is CVE-2021-38597?: Medium severity. CVSS v3 base score is 5.9 out of 10.