Vulnerability CVE-2021-20733
Published: 2021-06-22

Description:
Improper authorization in handler for custom URL scheme vulnerability in ????????? (asken diet) for Android versions from v.3.0.0 to v.4.2.x allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.

Type:

CWE-601

 (URL Redirection to Untrusted Site ('Open Redirect'))

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Asken -> Asken 

 References:
https://www.asken.jp/s/login/?to=/information
https://jvn.jp/en/jp/JVN38034268/index.html
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