CVE-2021-24116

MEDIUM

wolfssl < 4.6.0 - Side-Channel Information Disclosure via Base64 PEM Decoding

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Release Notes, Third Party Advisory x_refsource_confirm
https://github.com/wolfSSL/wolfssl/releases

Scores

CVSS v3 4.9
EPSS 0.0104
EPSS Percentile 59.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-203
Status published
Products (1)
wolfssl/wolfssl < 4.6.0
Published Jul 14, 2021
Tracked Since Feb 18, 2026