CVE-2021-1782

high-risk
Published 2021-04-02

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..

Do I need to act?

~
5.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.0/10 High
LOCAL / HIGH complexity

Affected Products (20)

Affected Vendors

Apple

References (9)

Release Notes https://support.apple.com/en-us/HT212146
Release Notes https://support.apple.com/en-us/HT212147
Release Notes https://support.apple.com/en-us/HT212148
Release Notes https://support.apple.com/en-us/HT212149
Release Notes https://support.apple.com/en-us/HT212146
Release Notes https://support.apple.com/en-us/HT212147
Release Notes https://support.apple.com/en-us/HT212148
Release Notes https://support.apple.com/en-us/HT212149
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-...
54
/ 100
high-risk
Severity 18/34 · Moderate
Exploitability 16/34 · Moderate
Exposure 20/34 · Moderate