Security Advisory

CVE-2020-20949

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2021-01-20 15:42:18
Last updated 2026-07-09 00:09:53
Assigner mitre
CVSS score not scored
State PUBLISHED

Description

Bleichenbacher's attack on PKCS #1 v1.5 padding for RSA in STM32 cryptographic firmware library software expansion for STM32Cube (UM1924). The vulnerability can allow one to use Bleichenbacher's oracle attack to decrypt an encrypted ciphertext by making successive queries to the server using the vulnerable library, resulting in remote information disclosure.