Vulnerability Intelligence Report

CVE-2021-30636

In MediaTek LinkIt SDK before 4.6.1, there is a possible memory corruption due to an integer overflow during mishandled memory allocation by pvPortCalloc and pvPortRealloc.

No Active Exploit Signals

CVSS Base Score

9.8

CRITICAL

EPSS Probability:1.47%

Executive Threat Verdict

Evaluating...

Evaluating Threat Landscape...

Assessing known weaponization, exploitation telemetry, and federal advisories.

Attack Surface

—

Authentication

—

Weaponization

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SSVC Action

—

Weaknesses (CWE)

Affected Products & Versions

Vendor	Product	Affected Versions
mediatek	linkit_software_development_kit	all

Exploitation & Remediation

References & Technical Advisories

NVD Listing ↗ MITRE Listing ↗ GitHub Advisory ↗

No reference links found.

Threat Intelligence Signals

EPSS Score

1.475%

GitHub Advisory

GHSA-gc9h-g4qm-fgcv ↗

CVSS Vector Breakdown

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality

Integrity

Availability

Identity & Timeline

Status	PUBLISHED
Assigning Authority	MITRE Corporation · N/A · USA
Reserved	2021-04-13T00:00:00
Published	2022-01-24T00:27:41
Last Updated	2024-08-03T22:40:31

MITRE ATT&CK Mapping

Tactics

Techniques

CVE-2021-30636

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Public Weaponization & Exploit Code Exploit-DB Catalog

Weaknesses (CWE)

Affected Products & Versions

Exploitation & Remediation

References & Technical Advisories

Threat Intelligence Signals

CVSS Vector Breakdown

Identity & Timeline

SSVC Prioritization

MITRE ATT&CK Mapping

CVE-2021-30636

—

Public Weaponization & Exploit Code Exploit-DB Catalog

Weaknesses (CWE)

Affected Products & Versions

Exploitation & Remediation

References & Technical Advisories

Threat Intelligence Signals

CVSS Vector Breakdown

Identity & Timeline

SSVC Prioritization

MITRE ATT&CK Mapping

Community Chatter & Buzz

Related Intelligence

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