CVE-2021-20733

MEDIUM

asken 3.0.0-4.2.x - Unauthenticated Open Redirect via Custom URL Scheme Handler

Title source: llm
STIX 2.1

Description

Improper authorization in handler for custom URL scheme vulnerability in あすけんダイエット (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.

References (2)

Core 2
Core References
Permissions Required, Vendor Advisory x_refsource_misc
https://www.asken.jp/s/login/?to=/information
Third Party Advisory x_refsource_misc
https://jvn.jp/en/jp/JVN38034268/index.html

Scores

CVSS v3 6.1
EPSS 0.0082
EPSS Percentile 52.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-862
Status published
Products (1)
asken/asken 3.0.0 - 4.3.0
Published Jun 22, 2021
Tracked Since Feb 18, 2026