Information Exposure Affecting mbedtls package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.13% (33rd percentile)

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  • Snyk IDSNYK-UBUNTU2004-MBEDTLS-1320330
  • published21 Mar 2026
  • disclosed19 Jul 2021

Introduced: 19 Jul 2021

CVE-2020-36424  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:20.04 mbedtls.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mbedtls package and not the mbedtls package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding values.

CVSS Base Scores

version 3.1