CVE Vulnerability

CVE-2021-20873

Yappli is an application development platform which provides the function to access a requested URL using Custom URL Scheme. When Android apps are developed with Yappli versions since v7.3.6 and prior to v9.30.0, they are vulnerable to improper authorization in Custom URL Scheme handler, and may be directed to unintended sites via a specially crafted URL.

5.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

8.1 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://jvn.jp/en/jp/JVN66422035/index.html Third Party Advisory
https://support.yappli.co.jp/hc/ja/articles/4410249902745 Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:yappli:yappli:*:*:*:*:*:*:*:*
Information

Published : 2021-12-28 02:15

Updated : 2022-01-12 03:46

NVD link : CVE-2021-20873

Mitre link : CVE-2021-20873

Products Affected
No products.
CWE
CWE-862