Apple macOS up to 11.0.0 Kernel initialization

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 11.0.0. It has been classified as problematic. Affected is an unknown function of the component Kernel. This manipulation causes initialization. This vulnerability is registered as CVE-2020-27950. The attack needs to be launched locally. Furthermore, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Apple macOS up to 11.0.0 (Operating System). Affected by this vulnerability is an unknown code block of the component Kernel. The manipulation with an unknown input leads to a initialization vulnerability. The CWE definition for the vulnerability is CWE-665. The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. As an impact it is known to affect confidentiality.

The weakness was published 11/05/2020 with Google Project Zero as HT211931 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2020-27950 since 10/27/2020. The exploitation appears to be easy. Attacking locally is a requirement. The requirement for exploitation is a single authentication. Technical details are unknown but an exploit is available.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 11/03/2021 with a due date of 05/03/2022:

Apply updates per vendor instructions.

Upgrading to version 11.0.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Zero-Day.cz (592). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Initialization
CWE: CWE-665
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: macOS 11.0.1

Timelineinfo

10/27/2020 🔍
11/05/2020 +9 days 🔍
11/05/2020 +0 days 🔍
12/09/2020 +34 days 🔍
01/30/2025 +1512 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211931
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2020-27950 (🔍)
GCVE (CVE): GCVE-0-2020-27950
GCVE (VulDB): GCVE-100-165835
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 12/09/2020 12:03
Updated: 01/30/2025 00:05
Changes: 12/09/2020 12:03 (46), 12/14/2020 14:55 (1), 12/14/2020 14:59 (18), 04/21/2024 07:58 (27), 06/30/2024 23:55 (2), 09/09/2024 22:29 (1), 01/30/2025 00:05 (12)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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