Vulnerability Details : CVE-2020-36285
Union Pay up to 3.3.12, for iOS mobile apps, 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.
Products affected by CVE-2020-36285
- cpe:2.3:a:unionpayintl:union_pay:*:*:*:*:*:iphone_os:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-36285
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-36285
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-36285
-
The product does not verify, or incorrectly verifies, the cryptographic signature for data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-36285
-
https://www.dropbox.com/s/czbkdr73tclq2nr/UnionPay_Vulnerability_Report.txt?dl=0
UnionPay_Vulnerability_Report.txtThird Party Advisory
-
https://www.dropbox.com/s/6smwnbrp0kgsgrc/poc_code.py?dl=0
poc_code.pyThird Party Advisory
-
http://mobitec.ie.cuhk.edu.hk/cve_2020/
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