CVE-2021-20747 — MEDIUM (4.3)

Q: How severe is CVE-2021-20747?

CVE-2021-20747 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-20747?

Check the references section above for vendor advisories and patch information. Affected products include: Retty Retty.

Vulnerability 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.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Retty	Retty	< 4.8.13

Related Weaknesses (CWE)

CWE-862

References

https://drive.google.com/file/d/1PBYqIsK8QxEEhGJ4SEgpY7iZw3RTTDho/viewThird Party Advisory
https://jvn.jp/en/jp/JVN26891339/index.htmlThird Party Advisory
https://drive.google.com/file/d/1PBYqIsK8QxEEhGJ4SEgpY7iZw3RTTDho/viewThird Party Advisory
https://jvn.jp/en/jp/JVN26891339/index.htmlThird Party Advisory

FAQ

What is CVE-2021-20747?

CVE-2021-20747 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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...

How severe is CVE-2021-20747?

CVE-2021-20747 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20747?

Check the references section above for vendor advisories and patch information. Affected products include: Retty Retty.