CVE-2021-37155
9.8
CRITICAL
CVSS 3.1
EPSS 0.51%
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.
How to fix CVE-2021-37155
To remediate CVE-2021-37155, upgrade the affected package to a fixed version below.
- Debian/wolfssl—upgrade to 4.6.0+p1-0+deb11u1 or later
Is CVE-2021-37155 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.6.0+p1-0+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |