5.5
MEDIUM
CVE-2021-30731
"Apple macOS USB Device Capture Vulnerability"
Description

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-004 Catalina. An unprivileged application may be able to capture USB devices.

INFO

Published Date :

Sept. 8, 2021, 2:15 p.m.

Last Modified :

Sept. 22, 2021, 2:22 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2021-30731 has a 4 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-30731 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple macos
2 Apple mac_os_x
: Total Affected Vendor : 1 | Products : 2
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-30731.

URL Resource
https://support.apple.com/en-us/HT212529 Vendor Advisory
https://support.apple.com/en-us/HT212600 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
NaInSec/CVE-PoC-in-GitHub

All CVE - PoC in GitHub

poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate

Updated: 1 month, 1 week ago
5 stars 2 fork 2 watcher
Born at : March 22, 2024, 3:58 p.m. This repo has been linked 928 different CVEs too.
Profile Photo
zecool/cve

None

Updated: 6 months, 3 weeks ago
1 stars 0 fork 0 watcher
Born at : March 11, 2024, 1:21 p.m. This repo has been linked 930 different CVEs too.
Profile Photo
WhooAmii/POC_to_review

None

Updated: 7 months, 2 weeks ago
2 stars 2 fork 2 watcher
Born at : Nov. 25, 2022, 5:43 p.m. This repo has been linked 930 different CVEs too.
Profile Photo
osy/WebcamViewer

PoC of CVE-2021-30731

Objective-C Shell

Updated: 2 months, 1 week ago
6 stars 0 fork 0 watcher
Born at : April 13, 2022, 6:13 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-30731 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-30731 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Sep. 22, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:apple:mac_os:*:*:*:*:*:*:*:* versions from (including) 11.0.1 from (excluding) 11.4 OR *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 11.0.1 from (excluding) 11.4
  • Initial Analysis by [email protected]

    Sep. 15, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
    Changed Reference Type https://support.apple.com/en-us/HT212529 No Types Assigned https://support.apple.com/en-us/HT212529 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212600 No Types Assigned https://support.apple.com/en-us/HT212600 Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:o:apple:mac_os:*:*:*:*:*:*:*:* versions from (including) 11.0.1 up to (excluding) 11.4 *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions from (including) 10.15 up to (including) 10.15.6 *cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-30731 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-30731 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} 0.00%

score

0.29962

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: