TI-2017-12446 Aliases CVE-2017-16905 GHSA-m38j-h3g6-jjjc

The DuoLingo TinyCards application before 1.0 for Android has one use of unencrypted…

MEDIUM 41CWE-94Published 2018-01-05 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-94.

Summary

The DuoLingo TinyCards application before 1.0 for Android has one use of unencrypted HTTP, which allows remote attackers to spoof content, and consequently achieve remote code execution, via a man-in-the-middle attack.

Why it matters now

EPSS 0.0348 89th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

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
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:duolingo:tinycards::::::::	before 1.0	Vulnerable	Duolingo
cpe:2.3:o:google:android:-:::::::*	not specified by NVD	Running on	Google

cpe:2.3:a:duolingo:tinycards:*:*:*:*:*:*:*:* Versions before 1.0 Vulnerable ·Duolingo
cpe:2.3:o:google:android:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Google

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2017-16905
2026-10-03 Alias added: GHSA-m38j-h3g6-jjjc

References

Exploit 1

https://hackerone.com/reports/281605

Advisory 1

https://wwws.nightwatchcybersecurity.com/2018/01/04/rce-in-duolingos-tinycards-app-for-android-cve-2017-16905/

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences