CVE-2020-23533

Publication date

2021-04-06 15:34:59

Family

mitre

State

PUBLISHED

Description

Union Pay up to 1.2.0, for web based versions contains a CWE-347: Improper Verification of Cryptographic Signature vulnerability, allows attackers to shop for free in merchants websites and mobile apps, via a crafted authentication code (MAC) which is generated based on a secret key which is NULL.