CVE-2021-24116
4.9
MEDIUM
CVSS 3.1
EPSS 0.25%
Description
In wolfSSL through 4.6.0, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.
How to fix CVE-2021-24116
To remediate CVE-2021-24116, upgrade the affected package to a fixed version below.
- Debian/wolfssl—upgrade to 4.6.0-1 or later
Is CVE-2021-24116 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.6.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |