CVE-2020-27903

This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Big Sur 11.0.1. An application may be able to gain elevated privileges.

CVSS v3.0 7.8 HIGH
CVSS v2.0 9.3 HIGH

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.3^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://support.apple.com/en-us/HT211931	Vendor Advisory
https://support.apple.com/kb/HT212011	Vendor Advisory
http://seclists.org/fulldisclosure/2020/Dec/32	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2020/Dec/26	Mailing List Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

Information

Published : 2020-12-08 13:15

Updated : 2021-07-21 04:39

NVD link : CVE-2020-27903

Mitre link : CVE-2020-27903

JSON object : View

CWE

NVD-CWE-noinfo

Advertisement

Products Affected

apple

macos

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://support.apple.com/en-us/HT211931", "name": "https://support.apple.com/en-us/HT211931", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://support.apple.com/kb/HT212011", "name": "https://support.apple.com/kb/HT212011", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://seclists.org/fulldisclosure/2020/Dec/32", "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", "Third Party Advisory"], "refsource": "FULLDISC"}, {"url": "http://seclists.org/fulldisclosure/2020/Dec/26", "name": "20201215 APPLE-SA-2020-12-14-3 macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FULLDISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Big Sur 11.0.1. An application may be able to gain elevated privileges."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-27903", "ASSIGNER": "product-security@apple.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 9.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}}, "publishedDate": "2020-12-08T21:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "11.0.1", "versionStartIncluding": "11.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-07-21T11:39Z"}