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CVE-2020-36284

CVE-2020-36284

EPSS 0.9%
Union Pay up to 3.4.93.4.9, for android, 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.
Affected products
n/a · n/a

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References
http://mobitec.ie.cuhk.edu.hk/cve_2020/https://www.dropbox.com/s/6smwnbrp0kgsgrc/poc_code.py?dl=0https://www.dropbox.com/s/czbkdr73tclq2nr/UnionPay_Vulnerability_Report.txt?dl=0