What is CVE-2021-41096?

CVE-2021-41096 is a high-severity vulnerability in Mayankmetha Rucky, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.5/10. Published 2021-09-27.

How severe is CVE-2021-41096?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Mayankmetha Rucky

CVE-2021-41096

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.

Vulnerability class: POODLE (CVE-2014-3566)

Published 2021-09-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Mayankmetha Rucky — versions < 2.3
Rucky Project

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

github.com/mayankmetha/Rucky/security/advisories/GHSA-32m7-456v-wgfw (Third Party Advisory)
github.com/mayankmetha/Rucky/commit/5e3a477365009f488a73efd26a91168502de1b93 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-41096?: CVE-2021-41096 is a high-severity vulnerability in Mayankmetha Rucky, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.5/10. Published 2021-09-27.
How severe is CVE-2021-41096?: High severity. CVSS v3 base score is 7.5 out of 10.