CVE-2021-25477 - Vulnerability Details - OpenCVE

Description

An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service.

Published: 2021-10-06

Score: 4.4 Medium

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

Samsung Mobile

Samsung Mobile Devices

affected

Version	Status	Constraints
`P(9.0), Q(10.0), R(11.0)`	affected	< SMR Oct-2021 Release 1

Configuration 1 [-]

AND

OR	cpe:2.3:o:google:android:9.0:::::::*
	cpe:2.3:o:google:android:10.0:::::::*
	cpe:2.3:o:google:android:11.0:::::::*

OR	cpe:2.3:h:mediatek:mt6762:-:::::::*
	cpe:2.3:h:mediatek:mt6765:-:::::::*
	cpe:2.3:h:mediatek:mt6853:-:::::::*

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-2021-12373	An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00481.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10

History

No history.

Subscriptions

Google Android

Mediatek Mt6762 Mt6765 Mt6853

MITRE

Status: PUBLISHED

Assigner: Samsung Mobile

Published: 2021-10-06T17:09:03.000Z

Updated: 2024-08-03T20:03:05.658Z

Reserved: 2021-01-19T00:00:00.000Z

Link: CVE-2021-25477

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-10-06T18:15:09.063

Modified: 2026-06-17T03:42:09.413

Link: CVE-2021-25477

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-415
Double Free

{"containers": {"cna": {"affected": [{"product": "Samsung Mobile Devices", "vendor": "Samsung Mobile", "versions": [{"lessThan": "SMR Oct-2021 Release 1", "status": "affected", "version": "P(9.0), Q(10.0), R(11.0)", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-415", "description": "CWE-415: Double Free", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-10-06T17:09:03.000Z", "orgId": "3af57064-a867-422c-b2ad-40307b65c458", "shortName": "Samsung Mobile"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10"}], "source": {"discovery": "UNKNOWN"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "mobile.security@samsung.com", "ID": "CVE-2021-25477", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Samsung Mobile Devices", "version": {"version_data": [{"version_affected": "<", "version_name": "P(9.0), Q(10.0), R(11.0)", "version_value": "SMR Oct-2021 Release 1"}]}}]}, "vendor_name": "Samsung Mobile"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-415: Double Free"}]}]}, "references": {"reference_data": [{"name": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10", "refsource": "MISC", "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:03:05.658Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10"}]}]}, "cveMetadata": {"assignerOrgId": "3af57064-a867-422c-b2ad-40307b65c458", "assignerShortName": "Samsung Mobile", "cveId": "CVE-2021-25477", "datePublished": "2021-10-06T17:09:03.000Z", "dateReserved": "2021-01-19T00:00:00.000Z", "dateUpdated": "2024-08-03T20:03:05.658Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "Samsung Mobile Devices", "vendor": "Samsung Mobile", "versions": [{"lessThan": "SMR Oct-2021 Release 1", "status": "affected", "version": "P(9.0), Q(10.0), R(11.0)", "versionType": "custom"}]}], "source": "mobile.security@samsung.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "8DFAAD08-36DA-4C95-8200-C29FE5B6B854", "vulnerable": true}, {"criteria": "cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "D558D965-FA70-4822-A770-419E73BA9ED3", "vulnerable": true}, {"criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6762:-:*:*:*:*:*:*:*", "matchCriteriaId": "C445EB80-6021-4E26-B74E-1B4B6910CE48", "vulnerable": false}, {"criteria": "cpe:2.3:h:mediatek:mt6765:-:*:*:*:*:*:*:*", "matchCriteriaId": "43E779F6-F0A0-4153-9A1D-B715C3A2F80E", "vulnerable": false}, {"criteria": "cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*", "matchCriteriaId": "366F1912-756B-443E-9962-224937DD7DFB", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service."}, {"lang": "es", "value": "Un manejo inapropiado de errores en la pila del protocolo RRC de Mediatek versiones anteriores a SMR Oct-2021 Release 1, permite un bloqueo del m\u00f3dem y una denegaci\u00f3n de servicio remota"}], "id": "CVE-2021-25477", "lastModified": "2026-06-17T03:42:09.413", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 0.7, "impactScore": 3.6, "source": "mobile.security@samsung.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-06T18:15:09.063", "references": [{"source": "mobile.security@samsung.com", "tags": ["Vendor Advisory"], "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10"}], "sourceIdentifier": "mobile.security@samsung.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "mobile.security@samsung.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}