CVE-2022-25638
6.5
MEDIUM
CVSS 3.1
EPSS 0.14%
Description
In wolfSSL before 5.2.0, certificate validation may be bypassed during attempted authentication by a TLS 1.3 client to a TLS 1.3 server. This occurs when the sig_algo field differs between the certificate_verify message and the certificate message.
How to fix CVE-2022-25638
To remediate CVE-2022-25638, upgrade the affected package to a fixed version below.
- Debian/wolfssl—upgrade to 4.6.0+p1-0+deb11u1 or later
Is CVE-2022-25638 being exploited?
Low — EPSS is 0.1%, 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 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |