VulnerabilityModified
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.
CRITICAL 9.8EPSS 1.49%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.49% probability · 73th percentile
- CISA KEV
- Not listed
- Affected
- wolfssl/wolfssl
- Source
- cve@mitre.org
References
- https://github.com/wolfSSL/wolfssl/pull/3990Patch, Third Party Advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.8.0-stableRelease Notes, Third Party Advisory
- https://github.com/wolfSSL/wolfssl/pull/3990Patch, Third Party Advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.8.0-stableRelease Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.