Main Vulnerability Database Vulnerabilities #VU59175

Improper Authorization in Handler for Custom URL Scheme in Yappli - CVE-2021-20873

Published: January 4, 2022

Vulnerability identifier: #VU59175

CSH Severity: Low

CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-20873

CWE-ID: CWE-939

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local attacker to compromise the target system.

The vulnerability exists due to the affected app is launched by Custom URL Scheme. A local attacker can trick a victim to access an arbitrary URL.

Yappli

Install updates from vendor's website.

Yappli - update to 9.30.0