HIGH CISA KEV

CVE-2021-1782

CVSS v3

7

HIGH

EPSS Score

7.9%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to elevate privileges. Apple is aware of a report that this issue may have been actively exploited..

CISA Known Exploited Vulnerability

Date Added
11/3/2021
Patch Due Date
11/17/2021
Ransomware Use
Unknown

Technical details

Published
4/2/2021

Frequently asked questions

What is CVE-2021-1782?

A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to elevate privileges. Apple is aware of a report that this issue may have been actively exploited..

Is CVE-2021-1782 actively exploited?

Yes. CVE-2021-1782 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 11/17/2021.

What is the CVSS score for CVE-2021-1782?

CVE-2021-1782 has a CVSS v3 base score of 7 (HIGH severity).

Is CVE-2021-1782 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.