CVE-2020-36285
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
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.
Overview
- CVE ID
- CVE-2020-36285
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-04-06T16:15:15
- Last Modified Date
- 2021-04-09T17:13:17
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:unionpayintl:union_pay:*:*:*:*:*:iphone_os:*:* | 1 | OR | 3.3.12 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.dropbox.com/s/czbkdr73tclq2nr/UnionPay_Vulnerability_Report.txt?dl=0 | Third Party Advisory |
| http://mobitec.ie.cuhk.edu.hk/cve_2020/ | Permissions Required |
| https://www.dropbox.com/s/6smwnbrp0kgsgrc/poc_code.py?dl=0 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-36285 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36285 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:16:25 | Added to TrackCVE | |||
| 2022-12-06 01:16:01 | 2021-04-06T16:15Z | 2021-04-06T16:15:15 | CVE Published Date | updated |
| 2022-12-06 01:16:01 | 2021-04-09T17:13:17 | CVE Modified Date | updated | |
| 2022-12-06 01:16:01 | Analyzed | Vulnerability Status | updated |