CVE-2016-1920 - Vulnerability Details - OpenCVE

Description

Samsung KNOX 1.0.0 uses the shared certificate on Android, which allows local users to conduct man-in-the-middle attacks as demonstrated by installing a certificate and running a VPN service.

Published: 2017-01-27

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

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

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:samsung:knox:1.0:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2016-3010	Samsung KNOX 1.0.0 uses the shared certificate on Android, which allows local users to conduct man-in-the-middle attacks as demonstrated by installing a certificate and running a VPN service.

No CVSS v4.0

No CVSS v3.1

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction Required

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00115.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.securityfocus.com/archive/1/537318/100/0/threaded
http://www.securityfocus.com/archive/1/537339/100/0/threaded

History

No history.

Subscriptions

Samsung Knox

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-01-27T20:00:00.000Z

Updated: 2024-08-05T23:10:40.273Z

Reserved: 2016-01-15T00:00:00.000Z

Link: CVE-2016-1920

Vulnrichment

No data.

NVD

Status : Modified

Published: 2017-01-27T20:59:00.187

Modified: 2026-05-13T00:24:29.033

Link: CVE-2016-1920

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-284

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-01-16T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Samsung KNOX 1.0.0 uses the shared certificate on Android, which allows local users to conduct man-in-the-middle attacks as demonstrated by installing a certificate and running a VPN service."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-10-09T18:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "20160119 Re: [CVE-2016-1920] VPN Man-in-the-Middle due to shared certificate store on KNOX 1.0 / Android 4.3", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/537339/100/0/threaded"}, {"name": "20160116 [CVE-2016-1920] VPN Man-in-the-Middle due to shared certificate store on KNOX 1.0 / Android 4.3", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/537318/100/0/threaded"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-1920", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Samsung KNOX 1.0.0 uses the shared certificate on Android, which allows local users to conduct man-in-the-middle attacks as demonstrated by installing a certificate and running a VPN service."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "20160119 Re: [CVE-2016-1920] VPN Man-in-the-Middle due to shared certificate store on KNOX 1.0 / Android 4.3", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/537339/100/0/threaded"}, {"name": "20160116 [CVE-2016-1920] VPN Man-in-the-Middle due to shared certificate store on KNOX 1.0 / Android 4.3", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/537318/100/0/threaded"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T23:10:40.273Z"}, "title": "CVE Program Container", "references": [{"name": "20160119 Re: [CVE-2016-1920] VPN Man-in-the-Middle due to shared certificate store on KNOX 1.0 / Android 4.3", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/537339/100/0/threaded"}, {"name": "20160116 [CVE-2016-1920] VPN Man-in-the-Middle due to shared certificate store on KNOX 1.0 / Android 4.3", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/537318/100/0/threaded"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-1920", "datePublished": "2017-01-27T20:00:00.000Z", "dateReserved": "2016-01-15T00:00:00.000Z", "dateUpdated": "2024-08-05T23:10:40.273Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:samsung:knox:1.0:*:*:*:*:*:*:*", "matchCriteriaId": "9D91CDAE-9BFB-41CA-9C9B-DF9D6ACD86A4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Samsung KNOX 1.0.0 uses the shared certificate on Android, which allows local users to conduct man-in-the-middle attacks as demonstrated by installing a certificate and running a VPN service."}, {"lang": "es", "value": "Samsung KNOX 1.0.0 utiliza el certificado compartido en Android, lo que permite a usuarios locales llevar a cabo ataques man-in-the-middle como se demuestra instalando un certificado y ejecutando un servicio VPN."}], "id": "CVE-2016-1920", "lastModified": "2026-05-13T00:24:29.033", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-01-27T20:59:00.187", "references": [{"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/537318/100/0/threaded"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/537339/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/537318/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/537339/100/0/threaded"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "nvd@nist.gov", "type": "Primary"}]}