What is CVE-2021-37155?

CVE-2021-37155 is a critical-severity vulnerability in Wolfssl. CVSS score: 9.8/10. Published 2021-07-21.

How severe is CVE-2021-37155?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Wolfssl

CVE-2021-37155

wolfSSL 4.6.x through 4.7.x before 4.8.0 does not produce a failure outcome when the serial number in an OCSP request differs from the serial number in the OCSP response.

EPSS: 0.015 (71.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Wolfssl
N/a — versions n/a

References

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

Frequently asked questions

What is CVE-2021-37155?: CVE-2021-37155 is a critical-severity vulnerability in Wolfssl. CVSS score: 9.8/10. Published 2021-07-21.
How severe is CVE-2021-37155?: Critical severity. CVSS v3 base score is 9.8 out of 10.