CVE-2021-38597
5.9
MEDIUM
CVSS 3.1
EPSS 0.18%
Description
wolfSSL before 4.8.1 incorrectly skips OCSP verification in certain situations of irrelevant response data that contains the NoCheck extension.
How to fix CVE-2021-38597
To remediate CVE-2021-38597, upgrade the affected package to a fixed version below.
- Debian/wolfssl—upgrade to 4.6.0+p1-0+deb11u1 or later
Is CVE-2021-38597 being exploited?
Low — EPSS is 0.2%, 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 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |