CVE-2020-5727 - Vulnerability Details - OpenCVE

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.

Published: 2020-05-02

Score: 4.6 Medium

EPSS: < 1% Very Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

SimpliSafe SS3

affected

Version	Status	Constraints
`1.4`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:simplisafe:ss3_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:simplisafe:ss3:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2020-26886	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.

No CVSS v4.0

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00389.

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Simplisafe Ss3 Ss3 Firmware

MITRE

Status: PUBLISHED

Assigner: tenable

Published: 2020-05-02T15:22:02.000Z

Updated: 2024-08-04T08:39:25.699Z

Reserved: 2020-01-06T00:00:00.000Z

Link: CVE-2020-5727

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-05-02T16:15:11.400

Modified: 2026-06-17T03:22:07.633

Link: CVE-2020-5727

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-287
Improper Authentication

{"containers": {"cna": {"affected": [{"product": "SimpliSafe SS3", "vendor": "n/a", "versions": [{"status": "affected", "version": "1.4"}]}], "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"description": "Unauthenticated Keypad Pairing Vulnerability", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-05-02T15:22:02.000Z", "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.tenable.com/security/research/tra-2020-29"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vulnreport@tenable.com", "ID": "CVE-2020-5727", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "SimpliSafe SS3", "version": {"version_data": [{"version_value": "1.4"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Unauthenticated Keypad Pairing Vulnerability"}]}]}, "references": {"reference_data": [{"name": "https://www.tenable.com/security/research/tra-2020-29", "refsource": "CONFIRM", "url": "https://www.tenable.com/security/research/tra-2020-29"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T08:39:25.699Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.tenable.com/security/research/tra-2020-29"}]}]}, "cveMetadata": {"assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "assignerShortName": "tenable", "cveId": "CVE-2020-5727", "datePublished": "2020-05-02T15:22:02.000Z", "dateReserved": "2020-01-06T00:00:00.000Z", "dateUpdated": "2024-08-04T08:39:25.699Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "SimpliSafe SS3", "vendor": "n/a", "versions": [{"status": "affected", "version": "1.4"}]}], "source": "vulnreport@tenable.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:simplisafe:ss3_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "49106F33-C6DB-4804-8BA1-54928C4F2291", "versionEndExcluding": "1.6", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:simplisafe:ss3:-:*:*:*:*:*:*:*", "matchCriteriaId": "9D74624B-EBF7-4B96-9918-E5EF18EC8E01", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Una omisi\u00f3n de autenticaci\u00f3n mediante el uso de una ruta o canal alterno en SimpliSafe versi\u00f3n de firmware 1.4 SS3, permite a un atacante local no autenticado emparejar un teclado malicioso con un sistema armado."}], "id": "CVE-2020-5727", "lastModified": "2026-06-17T03:22:07.633", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "NONE", "baseScore": 4.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-05-02T16:15:11.400", "references": [{"source": "vulnreport@tenable.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2020-29"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2020-29"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}