Vulnerability 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.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wolfssl | Wolfssl | >= 4.6.0, < 4.8.0 |
References
- https://github.com/wolfSSL/wolfssl/pull/3990PatchThird Party Advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.8.0-stableRelease NotesThird Party Advisory
- https://github.com/wolfSSL/wolfssl/pull/3990PatchThird Party Advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.8.0-stableRelease NotesThird Party Advisory
FAQ
What is CVE-2021-37155?
CVE-2021-37155 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2021-37155?
CVE-2021-37155 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-37155?
Check the references section above for vendor advisories and patch information. Affected products include: Wolfssl Wolfssl.