Detections
Analytics

CVE-2021-37155

critical

Description

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.

References

https://github.com/wolfSSL/wolfssl/releases/tag/v4.8.0-stable

https://github.com/wolfSSL/wolfssl/pull/3990

https://github.com/TimesysGit/vigiles-openwrt

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-23729

Details

Source: Mitre, NVD

Published: 2021-07-21

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.01493