VULNERABILITY INTELLIGENCE

CVE-2020-36475

CVSS score7.5 HIGH
EPSS probability1.92%
CISA KEVNot currently listed
Published2021-08-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS). The calculations performed by mbedtls_mpi_exp_mod are not limited; thus, supplying overly large parameters could lead to denial of service when generating Diffie-Hellman key pairs.

Weakness classification

  • nvd@nist.gov: CWE-131

Primary references