CVE-2021-41096: Rucky Project Rucky

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Rucky is a USB HID Rubber Ducky Launch Pad for Android. Versions 2.2 and earlier for release builds and versions 425 and earlier for nightly builds suffer from use of a weak cryptographic algorithm (RSA/ECB/PKCS1Padding). The issue will be patched in v2.3 for release builds and 426 onwards for nightly builds. As a workaround, one may disable an advance security feature if not required.

Affected products

• Rucky Project Rucky: up to and including 2.2

Published 2021-09-27. Last modified 2026-06-17.