CVE-2020-5727: Simplisafe SS3 Firmware

Medium severity, CVSS 4.6. EPSS: 0.4% chance of exploitation in the next 30 days.

Authentication bypass using an alternate path or channel in SimpliSafe SS3 firmware 1.4 allows a local, unauthenticated attacker to pair a rogue keypad to an armed system.

Affected products

• Simplisafe SS3 Firmware: before 1.6 (fixed in 1.6)

Published 2020-05-02. Last modified 2026-06-17.