CVE-2021-31578

View on CVE.org

Published Feb 6, 2023 CVSS 3.1 · 9.8 Critical EPSS 1.3% KEV · Not listed

Description

In Boa, there is a possible escalation of privilege due to a stack buffer overflow. This could lead to remote escalation of privilege from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: A20210008; Issue ID: OSBNB00123241.

Affected Products

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

Vendor Product Default status Versions

MediaTek, Inc.

EN7528, EN7580

affected

Version	Status	Constraints
`Linux SDK versions less than TLM7.3.275.0-64`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:mediatek:en7580_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:en7580:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:mediatek:en7528_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:en7528:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-18472	In Boa, there is a possible escalation of privilege due to a stack buffer overflow. This could lead to remote escalation of privilege from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: A20210008; Issue ID: OSBNB00123241.

Metrics

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

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 1.3% (1.277% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://corp.mediatek.com/product-security-acknowledgements

History

No history.

Subscriptions

Mediatek En7528 En7528 Firmware En7580 En7580 Firmware

Weaknesses

CWE-787

Sources

CVE record Updated: Aug 3, 2024, 11:03 PM

Status: PUBLISHED
Assigner: MediaTek
Published: Feb 6, 2023, 12:00 AM
Updated: Aug 3, 2024, 11:03 PM
Reserved: Apr 22, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:52 AM

Status: Modified
Published: Feb 6, 2023, 10:15 PM
Modified: Jun 17, 2026, 3:52 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"affected": [{"affectedData": [{"product": "EN7528, EN7580", "vendor": "MediaTek, Inc.", "versions": [{"status": "affected", "version": "Linux SDK versions less than TLM7.3.275.0-64"}]}], "source": "security@mediatek.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:en7580_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "AFFE9B98-0C16-4EBF-AE99-8163F19FD28C", "versionEndExcluding": "tlm7.3.275.0-64", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:en7580:-:*:*:*:*:*:*:*", "matchCriteriaId": "061DBB68-80AF-4016-AAE0-EE9DFDFB341B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:en7528_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "D77F5BED-66A1-48F5-B662-A187C1D89E99", "versionEndExcluding": "tlm7.3.275.0-64", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:en7528:-:*:*:*:*:*:*:*", "matchCriteriaId": "CD990C82-4C61-479B-A49F-11A3C0812AC5", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Boa, there is a possible escalation of privilege due to a stack buffer overflow. This could lead to remote escalation of privilege from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: A20210008; Issue ID: OSBNB00123241."}, {"lang": "es", "value": "En Boa, existe una posible escalada de privilegios debido a un desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria. Esto podr\u00eda conducir a una escalada remota de privilegios por parte de un atacante pr\u00f3ximo sin necesidad de privilegios de ejecuci\u00f3n adicionales. La interacci\u00f3n del usuario no es necesaria para la explotaci\u00f3n. ID de parche: A20210008; ID del problema: OSBNB00123241."}], "id": "CVE-2021-31578", "lastModified": "2026-06-17T03:52:01.803", "metrics": {"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": "2023-02-06T22:15:09.470", "references": [{"source": "security@mediatek.com", "tags": ["Vendor Advisory"], "url": "https://corp.mediatek.com/product-security-acknowledgements"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://corp.mediatek.com/product-security-acknowledgements"}], "sourceIdentifier": "security@mediatek.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}