CVE-2020-27932

Apple Multiple Products: Type Confusion

As of , CVE-2020-27932 in Apple Multiple Products is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 3 November 2021
US federal deadline
3 May 2022181 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.10Higher than 95% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
Not availableCISA listed it before 4 February 2022, where the EPSS files we read begin.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Apple iOS, iPadOS, macOS, and watchOS contain a type confusion vulnerability that may allow a malicious application to execute code with kernel privileges.

CISA's 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.

The CVE record's description, from apple

CVE published
8 December 2020
Assigned by
apple
CVSS
7.8 High (CVSS 3.1, from CISA-ADP)
CWE-843
Access of Resource Using Incompatible Type ('Type Confusion')
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Multiple Products: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2026-86950Out-of-Bounds WriteApple Multiple ProductsPatch nowForensic triage required by CISA; listed in the last 14 days0.01
CVE-2021-30860Integer OverflowApple Multiple ProductsPatch this weekEPSS 0.760.76
CVE-2023-32434Integer OverflowApple Multiple ProductsPatch this weekEPSS 0.520.52
CVE-2019-8605Use-After-FreeApple Multiple ProductsPatch soonVerified Exploit-DB entry0.18
CVE-2020-3837Memory CorruptionApple Multiple ProductsPatch soonVerified Exploit-DB entry0.15
CVE-2019-8506Type ConfusionApple Multiple ProductsPatch soonVerified Exploit-DB entry0.16
CVE-2023-28205WebKit Use-After-FreeApple Multiple ProductsPatch soon0.27
CVE-2021-30807Memory CorruptionApple Multiple ProductsPatch soon0.29
CVE-2025-31200Memory CorruptionApple Multiple ProductsPatch soon0.19
CVE-2025-24085Use-After-FreeApple Multiple ProductsPatch soon0.18

All 54 entries for Multiple Products

Read further