CVE-2021-37155

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.

9.8

CVSS

Severity: Critical

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.51%

Third-Party Advisory github.com Third-Party Advisory github.com

Affected: n/a n/a

References

Link	Tags
https://github.com/wolfSSL/wolfssl/pull/3990	third party advisory patch
https://github.com/wolfSSL/wolfssl/releases/tag/v4.8.0-stable	third party advisory release notes

Frequently Asked Questions

What is the severity of CVE-2021-37155?: CVE-2021-37155 has been scored as a critical severity vulnerability.
How to fix CVE-2021-37155?: To fix CVE-2021-37155, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-37155 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-37155 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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