CVE-2021-20777

MEDIUM 4.3CVE-2021-20777 · Published 07/07/2021 · updated 17/06/2026

In short

CVE-2021-20777 is a MEDIUM (CVSS 4.3) vulnerability affecting gu (gu-global).
Chance of exploitation in the next 30 days (EPSS): 0.87%, higher than 59.0% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
gu gu-global	`≥ 4.8.0, ≤ 5.0.2`	No fix yet

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

jvn.jp/en/jp/JVN25850723/index.html · Third Party Advisory

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