Apple macOS up to 11.3 USB Device privilege escalation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0	$0-$5k	0.77

Summaryinfo

A vulnerability labeled as critical has been found in Apple macOS up to 11.3. The affected element is an unknown function of the component USB Device Handler. Such manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2021-30731. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple macOS up to 11.3 (Operating System). It has been rated as critical. Affected by this issue is an unknown part of the component USB Device Handler. The impact remains unknown.

The weakness was released 09/09/2021 as HT212529. The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2021-30731. There are neither technical details nor an exploit publicly available.

Upgrading to version 11.4 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Apple

Name

macOS

Version

License

commercial

Website

Vendor: https://www.apple.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: macOS 11.4

Timelineinfo

04/13/2021 🔍
09/09/2021 +149 days 🔍
09/09/2021 +0 days 🔍
09/11/2021 +2 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212529
Status: Confirmed

CVE: CVE-2021-30731 (🔍)
GCVE (CVE): GCVE-0-2021-30731
GCVE (VulDB): GCVE-100-182276
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 09/09/2021 14:24
Updated: 09/11/2021 12:46
Changes: 09/09/2021 14:24 (55), 09/11/2021 12:46 (2)
Complete: 🔍
Cache ID: 216::103