CVE-2021-20777 - Vulnerability Details - OpenCVE

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.

Published: 2021-07-07

Score: 4.3 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

G.U. CO., LTD.

GU App for Android

affected

Version	Status	Constraints
`versions from 4.8.0 to 5.0.2`	affected	—

Configuration 1 [-]

cpe:2.3:a:gu-global:gu:*:*:*:*:*:android:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-8189	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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00256.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://jvn.jp/en/jp/JVN25850723/index.html

History

No history.

Subscriptions

Gu-global Gu

MITRE

Status: PUBLISHED

Assigner: jpcert

Published: 2021-07-07T07:05:29.000Z

Updated: 2024-08-03T17:53:22.082Z

Reserved: 2020-12-17T00:00:00.000Z

Link: CVE-2021-20777

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-07-07T08:15:07.887

Modified: 2024-11-21T05:47:10.373

Link: CVE-2021-20777

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-862

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