AUGUST 5, 2026
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Case File

CVE-2021-20777

MEDIUM · CVSS 4.3 EPSS 0.87%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-07 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. It affects Android. It may be remotely exploitable.

CVE
CVE-2021-20777
Severity
MEDIUM
CVSS
4.3
EPSS
0.87%
Android

Original 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.