CVE-2021-20747

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Published Jul 14, 2021 CVSS 3.1 · 4.3 Medium EPSS 1.0% KEV · Not listed

Description

Improper authorization in handler for custom URL scheme vulnerability in Retty App for Android versions prior to 4.8.13 and Retty App for iOS versions prior to 4.11.14 allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.

Affected Products

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

Vendor Product Default status Versions

Retty Inc.

Retty App

affected

Version	Status	Constraints
`Retty App for Android versions prior to 4.8.13 and Retty App for iOS versions prior to 4.11.14`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:retty:retty::::::android::*
	cpe:2.3:a:retty:retty::::::iphone_os::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-8161	Improper authorization in handler for custom URL scheme vulnerability in Retty App for Android versions prior to 4.8.13 and Retty App for iOS versions prior to 4.11.14 allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.0% (1.004% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://drive.google.com/file/d/1PBYqIsK8QxEEhGJ4SEgpY7iZw3RTTDho/view
https://jvn.jp/en/jp/JVN26891339/index.html

History

No history.

Subscriptions

Retty Retty

Weaknesses

CWE-862

Sources

CVE record Updated: Aug 3, 2024, 5:53 PM

Status: PUBLISHED
Assigner: jpcert
Published: Jul 14, 2021, 1:20 AM
Updated: Aug 3, 2024, 5:53 PM
Reserved: Dec 17, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:34 AM

Status: Modified
Published: Jul 14, 2021, 2:15 AM
Modified: Jun 17, 2026, 3:34 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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