CVE-2021-20777

MEDIUM

GU App for Android <5.0.2 - Open Redirect

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Third Party Advisory x_refsource_misc
https://jvn.jp/en/jp/JVN25850723/index.html

Scores

CVSS v3 4.3
EPSS 0.0087
EPSS Percentile 54.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Details

CWE
CWE-862
Status published
Products (1)
gu-global/gu 4.8.0 - 5.0.2
Published Jul 07, 2021
Tracked Since Feb 18, 2026