CVE-2020-16150

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-203

Affected software

No affected versions have been published.

Timeline

Published: Sep 2, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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