What’s Vulnerable › Vulnerabilities
CVE-2021-20777
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.9% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-07-07 · updated 2026-06-17
- Weakness: CWE-862
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 products
- G.U. CO., LTD. GU App for Android: from 4.8.0 through 5.0.2
References
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