CVE-2020-20949 · CVEKit

cve.orgen

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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.

NVDen

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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.

NVDes

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El ataque de Bleichenbacher en el relleno PKCS #1 v1.5 para RSA en la expansión del software de la biblioteca de firmware criptográfico STM32 para STM32Cube (UM1924). La vulnerabilidad puede permitir que uno use un ataque de oráculo de Bleichenbacher para descifrar un texto cifrado encriptado al hacer consultas sucesivas al servidor usando la biblioteca vulnerable, resultando en la divulgación de información remota

CVSS metrics across sources

2

Version	Type	Source	Base	Exp	Impact	Vector
2.0	Primary	NVD	4.3	8.6	2.9	AV:N/AC:M/Au:N/C:P/I:N/A:N
3.1	Primary	NVD	5.9	2.2	3.6	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N