VDB

CVE-2021-24116

CVE-2021-24116 PUBLISHED

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.

EPSS 0.25% · 48.7th percentile

Risk Scores

EPSS Score
0.25%
48.7th percentile

Affected Products

VendorProductVersions
Ubuntu:22.04:LTSwolfssl4.6.0-3, 0, 5.2.0-2
Ubuntu:25.10wolfssl5.7.2-0.1, 0
Ubuntu:20.04:LTSwolfssl4.2.0+dfsg-3, 4.3.0+dfsg-2, 0
Ubuntu:24.04:LTSwolfssl5.6.6-1.3, 0, 5.5.4-2.1
Ubuntu:18.04:LTSwolfssl3.10.2+dfsg-2, 3.12.2+dfsg-1, 3.12.0+dfsg-1
Ubuntu:16.04:LTSwolfssl0, *

Timeline

  • Jul 14, 2021 CVE Published
  • Jul 15, 2021 EPSS Score
  • Jul 22, 2021 CVE Updated
  • Sep 13, 2021 EPSS Score
  • Nov 11, 2021 EPSS Score
  • Jan 10, 2022 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Mar 10, 2022 EPSS Score
  • Apr 1, 2022 EPSS Score
  • May 9, 2022 EPSS Score
  • Sep 6, 2022 EPSS Score
  • Nov 5, 2022 EPSS Score
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