CVE-2021-1818

A logic issue was addressed with improved state management

published April 2, 2021

CVSS
—
EPSS
3%
Percentile
87.1
In the wild
Unconfirmed
What it is

⚠️ A sneaky logic issue could let attackers disrupt your apps! This vulnerability in macOS and iOS devices might lead to unexpected crashes or even run arbitrary code. 🤖 Think of it like a restaurant where a waiter forgets to check the orders before sending them out—the kitchen might end up preparing the wrong dish or serving up something that doesn’t belong on the menu at all! This flaw could allow attackers to terminate applications unexpectedly, leaving users with a frustrating experience. In the worst-case scenario, it might let malicious code execute on your device, potentially compromising your data. That's no dinner party anyone wants to attend!

Put simply

Think of it like a restaurant where a waiter forgets to check the orders before sending them out—the kitchen might end up preparing the wrong dish or serving up something that doesn’t belong on the menu at all! The vulnerability stems from a logic issue in state management, which may lead to arbitrary code execution if exploited. This means an attacker could manipulate processes in ways that the system doesn't anticipate.

What to do

This flaw could allow attackers to terminate applications unexpectedly, leaving users with a frustrating experience. In the worst-case scenario, it might let malicious code execute on your device, potentially compromising your data. That's no dinner party anyone wants to attend! To protect your devices, ensure you update to macOS Big Sur 11.2 or the appropriate security updates for Catalina and Mojave. For mobile devices, upgrade to iOS 14.4 or iPadOS 14.4. Keeping your system updated is your first line of defense! You've got this! Just follow these steps and you’ll fortify your defenses in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02961 · 87.1th percentile
Published
2021-04-02T18:10Z
EPSS history
Timeline
  • 02 APR 18:10Z
    A logic issue was addressed with improved state management
    cvelistv5