VULNERABILITY INTELLIGENCE

CVE-2020-16150

CVSS score5.5 MEDIUM
EPSS probability0.38%
CISA KEVNot currently listed
Published2020-09-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Description

A Lucky 13 timing side channel in mbedtls_ssl_decrypt_buf in library/ssl_msg.c in Trusted Firmware Mbed TLS through 2.23.0 allows an attacker to recover secret key information. This affects CBC mode because of a computed time difference based on a padding length.

Weakness classification

  • nvd@nist.gov: CWE-203

Primary references