CVE-2020-9945

View on CVE.org

Published Dec 8, 2020 CVSS 3.1 · 4.3 Medium EPSS 1.2% KEV · Not listed

Description

A spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, Safari 14.0.1. Visiting a malicious website may lead to address bar spoofing.

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

Apple

macOS

affected

Version	Status	Constraints
`unspecified`	affected	< 11.0

Apple

macOS

affected

Version	Status	Constraints
`unspecified`	affected	< 14.0

Configuration 1 [-]

OR	cpe:2.3:a:apple:safari::::::::
	cpe:2.3:o:apple:mac_os_x::::::::

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-2020-30724	A spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, Safari 14.0.1. Visiting a malicious website may lead to address bar spoofing.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.2% (1.177% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://seclists.org/fulldisclosure/2020/Dec/32
https://support.apple.com/en-us/HT211931
https://support.apple.com/en-us/HT211934

History

No history.

Subscriptions

Apple Mac Os X Safari

Weaknesses

CWE-1021

Sources

CVE record Updated: Aug 4, 2024, 10:50 AM

Status: PUBLISHED
Assigner: apple
Published: Dec 8, 2020, 7:19 PM
Updated: Aug 4, 2024, 10:50 AM
Reserved: Mar 2, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:28 AM

Status: Modified
Published: Dec 8, 2020, 8:15 PM
Modified: Jun 17, 2026, 3:28 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "11.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "14.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "A spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, Safari 14.0.1. Visiting a malicious website may lead to address bar spoofing."}], "problemTypes": [{"descriptions": [{"description": "Visiting a malicious website may lead to address bar spoofing", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-12-15T19:07:02.000Z", "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://support.apple.com/en-us/HT211931"}, {"tags": ["x_refsource_MISC"], "url": "https://support.apple.com/en-us/HT211934"}, {"name": "20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2020/Dec/32"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "product-security@apple.com", "ID": "CVE-2020-9945", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "macOS", "version": {"version_data": [{"version_affected": "<", "version_value": "11.0"}]}}, {"product_name": "macOS", "version": {"version_data": [{"version_affected": "<", "version_value": "14.0"}]}}]}, "vendor_name": "Apple"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, Safari 14.0.1. Visiting a malicious website may lead to address bar spoofing."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Visiting a malicious website may lead to address bar spoofing"}]}]}, "references": {"reference_data": [{"name": "https://support.apple.com/en-us/HT211931", "refsource": "MISC", "url": "https://support.apple.com/en-us/HT211931"}, {"name": "https://support.apple.com/en-us/HT211934", "refsource": "MISC", "url": "https://support.apple.com/en-us/HT211934"}, {"name": "20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1", "refsource": "FULLDISC", "url": "http://seclists.org/fulldisclosure/2020/Dec/32"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T10:50:57.210Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://support.apple.com/en-us/HT211931"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://support.apple.com/en-us/HT211934"}, {"name": "20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1", "tags": ["mailing-list", "x_refsource_FULLDISC", "x_transferred"], "url": "http://seclists.org/fulldisclosure/2020/Dec/32"}]}]}, "cveMetadata": {"assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "assignerShortName": "apple", "cveId": "CVE-2020-9945", "datePublished": "2020-12-08T19:19:39.000Z", "dateReserved": "2020-03-02T00:00:00.000Z", "dateUpdated": "2024-08-04T10:50:57.210Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "11.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "14.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*", "matchCriteriaId": "581C969D-14D7-4BE0-9CE5-1741FD34B5D6", "versionEndExcluding": "14.0.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*", "matchCriteriaId": "5CD08100-FC49-42F0-A226-0E5B523EC027", "versionEndExcluding": "11.0.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, Safari 14.0.1. Visiting a malicious website may lead to address bar spoofing."}, {"lang": "es", "value": "Se presentaba un problema de \"spoofing\" en el manejo de las URL. Este problema fue abordado con una comprobaci\u00f3n de entrada mejorada. Este problema se corrigi\u00f3 en macOS Big Sur versi\u00f3n 11.0.1, Safari versi\u00f3n 14.0.1. Visitando un sitio web malicioso puede conllevar a una barra de direcciones falsificada"}], "id": "CVE-2020-9945", "lastModified": "2026-06-17T03:28:51.310", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-08T20:15:16.557", "references": [{"source": "product-security@apple.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2020/Dec/32"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/HT211931"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/HT211934"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2020/Dec/32"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/HT211931"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/HT211934"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1021"}], "source": "nvd@nist.gov", "type": "Primary"}]}