TI-2020-04655 Aliases CVE-2020-5727 GHSA-vr8h-63cg-wc5g

Improper authentication in SimpliSafe SS3

LOW 21CWE-287Published 2020-05-02 · Updated 2024-08-04

Key facts

Attack vector: Physical
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: None · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

EPSS 0.00389 33rd 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
—	SimpliSafe SS3	1.4	—	No fix listed	CNA

SimpliSafe SS3 Vendor— Affected 1.4 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:simplisafe:ss3_firmware::::::::	before 1.6	Vulnerable	Simplisafe
cpe:2.3:h:simplisafe:ss3:-:::::::*	not specified by NVD	Running on	Simplisafe

cpe:2.3:o:simplisafe:ss3_firmware:*:*:*:*:*:*:*:* Versions before 1.6 Vulnerable ·Simplisafe
cpe:2.3:h:simplisafe:ss3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Simplisafe

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-5727
2026-10-03 Alias added: GHSA-vr8h-63cg-wc5g

References

Exploit 1

https://www.tenable.com/security/research/tra-2020-29

TI-2019-03001 Improper authentication in SimpliSafe SS3 CVSS 3.1MEDIUM 4.6

Sources

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