#VU54859 Improper Authorization in Handler for Custom URL Scheme in Retty App for Android and Retty App for iOS - CVE-2021-20747
Published: July 14, 2021
Vulnerability identifier: #VU54859
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-20747
CWE-ID: CWE-939
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Retty App for Android
Retty App for iOS
Retty App for Android
Retty App for iOS
Software vendor:
Retty
Retty
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the affected app is launched by Custom URL Scheme. A remote attacker can trick a victim to access an arbitrary URL.
Remediation
Install updates from vendor's website.