CISA KEV · Known exploitedHigh

CVE-2021-30713

Apple macOS

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..

CVSS
7.8
EPSS
6.58%
93.2% percentile
CISA KEV
Listed
Published
2021.09.09
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability6.58%
Technical severityCVSS 7.8

Vulnerability overview

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..

Affected product and versions

Product
Apple macOS
Affected versions
unspecified, >= 10.15 <= 10.15.7, 10.15.7, < 11.4
Fixed versions
11.4

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions.

Due date: 2021.11.17
  1. 1
    Identify

    Confirm that Apple macOS and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-862
KEV added
2021.11.03
Ransomware use
미확인
CVE-2021-30713 — Apple macOS | SECUFOCUS NOW