CVE-2021-20777

Published: Jul 7, 2021Modified: Jun 17, 2026

4.3

Vector

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

Exploitability: 2.8 / Impact: 1.4

Source: NVD

Description

Improper authorization in handler for custom URL scheme vulnerability in GU App for Android versions from 4.8.0 to 5.0.2 allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.

Affected (1)

Products: Gu Global: Gu

Gu Global

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Gu Global Gu	From 4.8.0 to 5.0.2

Related CWEs

CWE-862

Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

References (2)

https://jvn.jp/en/jp/JVN25850723/index.html

Source: vultures@jpcert.or.jp

Third Party Advisory

https://jvn.jp/en/jp/JVN25850723/index.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.