Missing authorization in Retty App
Priority LOW 22CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-862.
Summary
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.
Why it matters now
EPSS 0.01004 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Retty Inc. | Retty App | Retty App for Android versions prior to 4.8.13 and Retty App for iOS versions prior to 4.11.14 | — | No fix listed | CNA |
- Retty App VendorRetty Inc. Affected Retty App for Android versions prior to 4.8.13 and Retty App for iOS versions prior to 4.11.14 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:retty:retty:*:*:*:*:*:android:*:* | before 4.8.13 | Vulnerable | Retty Inc. |
| cpe:2.3:a:retty:retty:*:*:*:*:*:iphone_os:*:* | before 4.11.14 | Vulnerable | Retty Inc. |
- cpe:2.3:a:retty:retty:*:*:*:*:*:android:*:* Versions before 4.8.13 Vulnerable ·Retty Inc.
- cpe:2.3:a:retty:retty:*:*:*:*:*:iphone_os:*:* Versions before 4.11.14 Vulnerable ·Retty Inc.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20747
- 2026-10-03 Alias added: GHSA-6669-c2mr-pv93
References
More Retty Inc. Retty vulnerabilities
- TI-2021-03974 Hard-coded credentials in Retty App CVSS 3.1HIGH 7.5
Sources
- CVE-2021-20747 · CVE Program
- CVE-2021-20747 · NVD
- FIRST EPSS
- GHSA-6669-c2mr-pv93 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences