Is CVE-2021-1789 actively exploited?

Yes. CVE-2021-1789 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-1789 be exploited remotely?

The attack vector of CVE-2021-1789 has not been classified yet.

What is the CVSS score of CVE-2021-1789?

CVE-2021-1789 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-1789

HIGHCISA KEVIN THE WILD

CVE-2021-1789

Published: May 4, 2022

EPSS:0.24%probability of exploitation in 30 daysPercentile:47.4th

Official Description

A type confusion issue affecting multiple Apple products allows processing of maliciously crafted web content, leading to arbitrary code execution.

NVD Source

CISA KEV Advisory

Apple Multiple Products Type Confusion Vulnerability

A type confusion issue affecting multiple Apple products allows processing of maliciously crafted web content, leading to arbitrary code execution.

Added to KEV: 2022-05-04Federal patch deadline: 2022-05-25

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

This type confusion issue affecting multiple Apple products allows for processing of maliciously crafted web content, which can lead to arbitrary code execution. The high severity and confirmed exploitation in the wild make this an urgent concern.

This vulnerability is actively being exploited in the wild.

Recommended Action

Apply all available security updates for affected Apple products to address this type confusion vulnerability. Exercise caution when browsing untrusted websites or opening suspicious web content.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-1789 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2021-1789 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.