User Enumeration Affecting mbedtls package, versions [,2.24.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.09% (26th percentile)

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  • Snyk IDSNYK-CONAN-MBEDTLS-10077644
  • published8 May 2025
  • disclosed19 Jul 2021
  • creditUnknown

Introduced: 19 Jul 2021

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

How to fix?

Upgrade mbedtls to version 2.24.0 or higher.

Overview

Affected versions of this package are vulnerable to User Enumeration. 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