CVE-2020-20950

MEDIUM

Ietf Public Key Cryptography Standard... - Broken Cryptographic Algorithm

Title source: rule
STIX 2.1

Description

Bleichenbacher's attack on PKCS #1 v1.5 padding for RSA in Microchip Libraries for Applications 2018-11-26 All up to 2018-11-26. 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.

References (4)

Core 4

Scores

CVSS v3 5.9
EPSS 0.0086
EPSS Percentile 54.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-327
Status published
Products (2)
ietf/public_key_cryptography_standards_\#1 1.5
microchip/microchip_libraries_for_applications < 2018-11-26
Published Jan 19, 2021
Tracked Since Feb 18, 2026