CVE-2021-20747

Description

Improper authorization in handler for custom URL scheme vulnerability in Retty App for Android versions prior to 4.8.13 and Retty App for iOS versions prior to 4.11.14 allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.30%
Third-Party Advisory google.com Third-Party Advisory jvn.jp
Affected: Retty Inc. Retty App
Published at:
Updated at:

References

Link Tags
https://drive.google.com/file/d/1PBYqIsK8QxEEhGJ4SEgpY7iZw3RTTDho/view third party advisory
https://jvn.jp/en/jp/JVN26891339/index.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20747?
CVE-2021-20747 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20747?
To fix CVE-2021-20747, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20747 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20747 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20747?
CVE-2021-20747 affects Retty Inc. Retty App.
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