CVE-2020-27932
Apple Multiple Products Type Confusion Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to execute arbitrary code with kernel privileges.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 10.34% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022
- Weakness
- CWE-843
- Affected
- apple/icloud · apple/itunes · apple/ipados · apple/iphone os · apple/mac os x · apple/macos · apple/watchos
- Source
- product-security@apple.com
EPSS 10.3% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-27932
References
- http://packetstormsecurity.com/files/161295/XNU-Kernel-Turnstiles-Type-Confusion.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2020/Dec/32Mailing List, Third Party Advisory
- https://support.apple.com/en-us/HT211928Vendor Advisory
- https://support.apple.com/en-us/HT211929Vendor Advisory
- https://support.apple.com/en-us/HT211931Vendor Advisory
- https://support.apple.com/en-us/HT211940Vendor Advisory
- https://support.apple.com/en-us/HT211944Vendor Advisory
- https://support.apple.com/en-us/HT211945Vendor Advisory
- https://support.apple.com/en-us/HT211946Vendor Advisory
- https://support.apple.com/en-us/HT211947Vendor Advisory
- http://packetstormsecurity.com/files/161295/XNU-Kernel-Turnstiles-Type-Confusion.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2020/Dec/32Mailing List, Third Party Advisory
- https://support.apple.com/en-us/HT211928Vendor Advisory
- https://support.apple.com/en-us/HT211929Vendor Advisory
- https://support.apple.com/en-us/HT211931Vendor Advisory
- https://support.apple.com/en-us/HT211940Vendor Advisory
- https://support.apple.com/en-us/HT211944Vendor Advisory
- https://support.apple.com/en-us/HT211945Vendor Advisory
- https://support.apple.com/en-us/HT211946Vendor Advisory
- https://support.apple.com/en-us/HT211947Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-27932US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.