Vulnerability Details : CVE-2021-20733
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.
Products affected by CVE-2021-20733
- cpe:2.3:a:asken:asken:*:*:*:*:*:android:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20733
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20733
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2021-20733
-
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-20733
-
https://jvn.jp/en/jp/JVN38034268/index.html
JVN#38034268: あすけん App for Android fails to restrict custom URL schemes properlyThird Party Advisory
-
https://www.asken.jp/s/login/?to=/information
あすけんダイエット｜ログインPermissions Required;Vendor Advisory
Jump to