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MEDIUM · 4.3

CVE-2021-20777

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 ...

Vulnerability 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.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
Gu-GlobalGu>= 4.8.0, <= 5.0.2

Related Weaknesses (CWE)

CWE-862

References

FAQ

What is CVE-2021-20777?

CVE-2021-20777 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 ...

How severe is CVE-2021-20777?

CVE-2021-20777 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20777?

Check the references section above for vendor advisories and patch information. Affected products include: Gu-Global Gu.