CVE-2020-5727
CVE-2020-5727 is a medium-severity vulnerability in Simplisafe Ss3 Firmware with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.
Key facts
- Severity: Medium (CVSS 3.x base score 4.6)
- CVSS v2: 2.1
- EPSS exploit prediction: 0% (31st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Simplisafe Ss3 Firmware
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2020-5727?
- 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.
- How severe is CVE-2020-5727?
- CVE-2020-5727 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2020-5727 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-5727?
- CVE-2020-5727 affects Simplisafe Ss3 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-5727?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-5727 published?
- CVE-2020-5727 was published on 2020-05-02 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:simplisafe:ss3_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Simplisafe Ss3 Firmware
- CVE-2019-3997 — Medium (CVSS 4.6): Authentication bypass using an alternate path or channel in SimpliSafe SS3 firmware 1.0-1.3 allows a local,…
All CVEs affecting Simplisafe Ss3 Firmware →
Other CWE-287 (Improper Authentication) vulnerabilities
- CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
- CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
- CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
- CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
- CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…
Browse all CWE-287 (Improper Authentication) vulnerabilities →