CVE-2021-1795

An out-of-bounds write was addressed with improved input validation

published April 2, 2021

CVSS
—
EPSS
2%
Percentile
82.1
In the wild
Unconfirmed
What it is

⚠️ There's a tricky out-of-bounds write lurking in the shadows! A remote attacker could exploit this to execute arbitrary code on your device if left unchecked. 🔥 Think of this vulnerability like a waiter mixing up your orders in a restaurant. If they don’t validate the requests carefully, they might just deliver a dish that wasn’t meant for you—or worse, something that could make you sick! If exploited, this vulnerability could leave your device open to malicious code, potentially allowing attackers to take control or access sensitive data. While not actively exploited, the risks of arbitrary code execution are still quite concerning!

Put simply

Think of this vulnerability like a waiter mixing up your orders in a restaurant. If they don’t validate the requests carefully, they might just deliver a dish that wasn’t meant for you—or worse, something that could make you sick! The flaw involves an out-of-bounds write due to insufficient input validation, which can lead to arbitrary code execution when the right conditions are met. Essentially, some unexpected data can overwrite memory areas that should remain untouched, creating a gateway for threats.

What to do

If exploited, this vulnerability could leave your device open to malicious code, potentially allowing attackers to take control or access sensitive data. While not actively exploited, the risks of arbitrary code execution are still quite concerning! To protect yourself, ensure that your devices are updated to iOS 14.4 or iPadOS 14.4. Regularly check for software updates to keep your security tight and enhanced! You've got this! Staying updated is your best defense! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02165 · 82.1th percentile
Published
2021-04-02T18:02Z
EPSS history
Timeline
  • 02 APR 18:02Z
    An out-of-bounds write was addressed with improved input validation
    cvelistv5