Critical severity9.8NVD Advisory· Published Jul 21, 2021· Updated Jun 17, 2026

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

wolfSSL/wolfSSLdescription
WolfSSL/Wolfsslllm-fuzzy2 versions
4.6.x - 4.7.x before 4.8.0+ 1 more
- (no CPE)range: 4.6.x - 4.7.x before 4.8.0
- cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*range: >=4.6.0,<4.8.0

Patches

Vulnerability mechanics

References

github.com/wolfSSL/wolfssl/pull/3990nvdPatchThird Party Advisory
github.com/wolfSSL/wolfssl/releases/tag/v4.8.0-stablenvdRelease NotesThird Party Advisory

News mentions

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cvss	0.637
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000