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CVE-2021-1782

HIGHCISA KEV

7.0

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..

CVE Details

CVSS v3.1 Score7.0

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityHIGH

Privileges RequiredLOW

User InteractionNONE

Published4/2/2021

Last Modified10/23/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorApple

ProductMultiple Products

Vulnerability NameApple Multiple Products Race Condition Vulnerability

KEV Date Added2021-11-03

Remediation Due Date2021-11-17

Ransomware UseUnknown

Affected Products

apple:ipadosapple:iphone_osapple:mac_os_xapple:macosapple:tvosapple:watchos

Weaknesses (CWE)

CWE-667CWE-667

References

https://support.apple.com/en-us/HT212146(product-security@apple.com)

https://support.apple.com/en-us/HT212147(product-security@apple.com)

https://support.apple.com/en-us/HT212148(product-security@apple.com)

https://support.apple.com/en-us/HT212149(product-security@apple.com)

https://support.apple.com/en-us/HT212146(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212147(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212148(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212149(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1782(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.