apple macos CVE-2021-30713 is a vulnerability in Apple macOS
Published on September 8, 2021

A permissions issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.4. A malicious application may be able to bypass Privacy preferences. Apple is aware of a report that this issue may have been actively exploited..

NVD

Known Exploited Vulnerability

This Apple macOS Input Validation Error vulnerability is part of CISA's list of Known Exploited Vulnerabilities. A malicious application may be able to bypass Privacy preferences. Apple is aware of a report that this issue may have been actively exploited.

The following remediation steps are recommended / required by November 17, 2021: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2021-30713 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is an AuthZ Vulnerability?

The software does not perform an authorization check when an actor attempts to access a resource or perform an action.

CVE-2021-30713 has been classified to as an AuthZ vulnerability or weakness.


Products Associated with CVE-2021-30713

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Affected Versions

Apple macOS:

Exploit Probability

EPSS
0.14%
Percentile
34.41%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.