CVE-2018-21051 - Vulnerability Details - OpenCVE

Description

An issue was discovered on Samsung mobile devices with N(7.x) and O(8.x) (Exynos chipsets) software. There is an invalid free in the fingerprint Trustlet, leading to arbitrary code execution. The Samsung ID is SVE-2018-12853 (October 2018).

Published: 2020-04-08

Score: 9.8 Critical

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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 [-]

OR	cpe:2.3:o:google:android:7.0:::::::*
	cpe:2.3:o:google:android:7.1.0:::::::*
	cpe:2.3:o:google:android:7.1.1:::::::*
	cpe:2.3:o:google:android:7.1.2:::::::*
	cpe:2.3:o:google:android:8.0:::::::*
	cpe:2.3:o:google:android:8.1:::::::*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2018-13569	An issue was discovered on Samsung mobile devices with N(7.x) and O(8.x) (Exynos chipsets) software. There is an invalid free in the fingerprint Trustlet, leading to arbitrary code execution. The Samsung ID is SVE-2018-12853 (October 2018).

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00862.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://security.samsungmobile.com/securityUpdate.smsb

History

No history.

Subscriptions

Google Android

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-04-08T17:42:30.000Z

Updated: 2024-08-05T12:19:27.501Z

Reserved: 2020-04-07T00:00:00.000Z

Link: CVE-2018-21051

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-04-08T18:15:13.400

Modified: 2026-06-17T01:54:02.293

Link: CVE-2018-21051

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered on Samsung mobile devices with N(7.x) and O(8.x) (Exynos chipsets) software. There is an invalid free in the fingerprint Trustlet, leading to arbitrary code execution. The Samsung ID is SVE-2018-12853 (October 2018)."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-04-08T17:42:30.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://security.samsungmobile.com/securityUpdate.smsb"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-21051", "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": "An issue was discovered on Samsung mobile devices with N(7.x) and O(8.x) (Exynos chipsets) software. There is an invalid free in the fingerprint Trustlet, leading to arbitrary code execution. The Samsung ID is SVE-2018-12853 (October 2018)."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://security.samsungmobile.com/securityUpdate.smsb", "refsource": "CONFIRM", "url": "https://security.samsungmobile.com/securityUpdate.smsb"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T12:19:27.501Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.samsungmobile.com/securityUpdate.smsb"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-21051", "datePublished": "2020-04-08T17:42:30.000Z", "dateReserved": "2020-04-07T00:00:00.000Z", "dateUpdated": "2024-08-05T12:19:27.501Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "09E6085C-A61E-4A89-BF80-EDD9A7DF1E47", "vulnerable": true}, {"criteria": "cpe:2.3:o:google:android:7.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "FC30B2A2-9674-4052-B402-20348E50F9E8", "vulnerable": true}, {"criteria": "cpe:2.3:o:google:android:7.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "D835D592-2423-44C6-804A-3AD010112E7C", "vulnerable": true}, {"criteria": "cpe:2.3:o:google:android:7.1.2:*:*:*:*:*:*:*", "matchCriteriaId": "568E2561-A068-46A2-B331-BBA91FC96F0C", "vulnerable": true}, {"criteria": "cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "B578E383-0D77-4AC7-9C81-3F0B8C18E033", "vulnerable": true}, {"criteria": "cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*", "matchCriteriaId": "B06BE74B-83F4-41A3-8AD3-2E6248F7B0B2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered on Samsung mobile devices with N(7.x) and O(8.x) (Exynos chipsets) software. There is an invalid free in the fingerprint Trustlet, leading to arbitrary code execution. The Samsung ID is SVE-2018-12853 (October 2018)."}, {"lang": "es", "value": "Se detect\u00f3 un problema en dispositivos m\u00f3viles Samsung con versi\u00f3n de software N(7.x) y O (8.x) (chipsets Exynos). Se presenta una liberaci\u00f3n no v\u00e1lida en el Trustlet fingerprint, conllevando a una ejecuci\u00f3n de c\u00f3digo arbitraria. El ID de Samsung es SVE-2018-12853 (Octubre de 2018)."}], "id": "CVE-2018-21051", "lastModified": "2026-06-17T01:54:02.293", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-04-08T18:15:13.400", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://security.samsungmobile.com/securityUpdate.smsb"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://security.samsungmobile.com/securityUpdate.smsb"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "nvd@nist.gov", "type": "Primary"}]}