CVE-2020-9990 - Vulnerability Details - OpenCVE

Description

A race condition was addressed with additional validation. This issue is fixed in macOS Catalina 10.15.6. A malicious application may be able to execute arbitrary code with kernel privileges.

Published: 2020-10-22

Score: 7.8 High

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

Apple

macOS

affected

Version	Status	Constraints
`unspecified`	affected	< macOS Catalina 10.15.6

Configuration 1 [-]

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

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-2020-30769	A race condition was addressed with additional validation. This issue is fixed in macOS Catalina 10.15.6. A malicious application may be able to execute arbitrary code with kernel privileges.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Medium

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00249.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://support.apple.com/kb/HT211289

History

No history.

Subscriptions

Apple Mac Os X

MITRE

Status: PUBLISHED

Assigner: apple

Published: 2020-10-22T18:06:48.000Z

Updated: 2024-08-04T10:50:57.869Z

Reserved: 2020-03-02T00:00:00.000Z

Link: CVE-2020-9990

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-10-22T19:15:15.963

Modified: 2026-06-17T03:28:56.163

Link: CVE-2020-9990

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

{"containers": {"cna": {"affected": [{"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "macOS Catalina 10.15.6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "A race condition was addressed with additional validation. This issue is fixed in macOS Catalina 10.15.6. A malicious application may be able to execute arbitrary code with kernel privileges."}], "problemTypes": [{"descriptions": [{"description": "A malicious application may be able to execute arbitrary code with kernel privileges", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-10-22T18:06:48.000Z", "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://support.apple.com/kb/HT211289"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "product-security@apple.com", "ID": "CVE-2020-9990", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "macOS", "version": {"version_data": [{"version_affected": "<", "version_value": "macOS Catalina 10.15.6"}]}}]}, "vendor_name": "Apple"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A race condition was addressed with additional validation. This issue is fixed in macOS Catalina 10.15.6. A malicious application may be able to execute arbitrary code with kernel privileges."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "A malicious application may be able to execute arbitrary code with kernel privileges"}]}]}, "references": {"reference_data": [{"name": "https://support.apple.com/kb/HT211289", "refsource": "MISC", "url": "https://support.apple.com/kb/HT211289"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T10:50:57.869Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://support.apple.com/kb/HT211289"}]}]}, "cveMetadata": {"assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "assignerShortName": "apple", "cveId": "CVE-2020-9990", "datePublished": "2020-10-22T18:06:48.000Z", "dateReserved": "2020-03-02T00:00:00.000Z", "dateUpdated": "2024-08-04T10:50:57.869Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "macOS Catalina 10.15.6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*", "matchCriteriaId": "A9759850-4805-447C-AF3F-5CD462E24810", "versionEndExcluding": "10.5.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A race condition was addressed with additional validation. This issue is fixed in macOS Catalina 10.15.6. A malicious application may be able to execute arbitrary code with kernel privileges."}, {"lang": "es", "value": "Se abord\u00f3 una condici\u00f3n de carrera con una comprobaci\u00f3n adicional. Este problema se corrigi\u00f3 en macOS Catalina versi\u00f3n 10.15.6. Una aplicaci\u00f3n maliciosa puede ejecutar c\u00f3digo arbitrario con privilegios de kernel"}], "id": "CVE-2020-9990", "lastModified": "2026-06-17T03:28:56.163", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.1, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-10-22T19:15:15.963", "references": [{"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/kb/HT211289"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/kb/HT211289"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "nvd@nist.gov", "type": "Primary"}]}