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CVE detail

CVE-2021-1789

A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS 8.8 · HighBuzz score 55.3KEV listed

Buzz score

Why this CVE is surfacing

Buzz score total 55.3

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 20.8 · diversity 9.5 · KEV 25.0 · OTX 0.0 · PoC 0.0
Mention score
20.8
7 evidence mentions in the snapshot
Diversity score
9.5
4 sources across 1 categories
KEV score
25.0
Known exploited vulnerability present
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
7 source links · newest first
  • A recent campaign targeting individuals in Hong Kong has leveraged at least two pieces of malware designed to target macOS systems.

    newswww.securityweek.comJan 25, 2022, 6:41 PM
  • New DazzleSpy malware attacks macOSMalwarebytes Labs

    DazzleSpy, a piece of malware that attacks macOS, was discovered last fall by researchers at ESET, and now those researchers have…

    newswww.malwarebytes.comJan 25, 2022, 5:00 PM
  • Apple’s reputation on security has been taking a beating lately. As mentioned in some of our previous coverage, security researcher Joshua…

    newswww.malwarebytes.comNov 15, 2021, 5:00 PM
  • Google revealed that threat actors recently exploited a zero-day vulnerability in macOS to deliver malware to users in Hong Kong. Google TAG researchers discovered that threat actors leveraged a zero-day vulnerability in macOS in a watering hole campaign aimed at delivering malware to users in Hong Kong. The attackers exploited a XNU privilege escalation vulnerability […]

    newssecurityaffairs.comNov 12, 2021, 3:57 PM
  • Google on Thursday shared details about a recent attack that exploited a zero-day vulnerability in macOS to deliver malware to users in Hong Kong.

    newswww.securityweek.comNov 12, 2021, 11:59 AM
  • Another zero-day in Apple’s software (CVE-2021-30869) is being actively exploited by attackers, forcing the company to push out security updates for macOS Catalina and iOS 12. About CVE-2021-30869 Flagged by researchers Erye Hernandez and Clément Lecigne of Google’s Threat Analysis Group and Ian Beer of Google Project Zero, the vulnerability is a type confusion issue found in XNU, the kernel of Apple’s macOS and iOS operating systems. As usual, Apple did not share any details … More →

    newswww.helpnetsecurity.comSep 24, 2021, 10:31 AM
  • Apple this week released security updates to address multiple vulnerabilities in macOS and Safari, including a flaw that can be exploited for the recently disclosed NAT Slipstreaming 2.0 attack .

    newswww.securityweek.comFeb 2, 2021, 11:26 AM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

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