CVE-2021-30655

An application may be able to execute arbitrary code with system privileges

published September 8, 2021

CVSS
—
EPSS
2%
Percentile
83.1
In the wild
Unconfirmed
What it is

⚠️ A sneaky flaw lets an application run arbitrary code with system privileges! Imagine your laptop suddenly decides to order pizza without your permission. 🍕 Think of this vulnerability like a hotel suite where the staff can access any room without needing the right key cards. If the permissions aren't tightly regulated, anyone could waltz into any room and do as they please! If exploited, this could lead to an attacker executing malicious commands on your system with the same privileges as you, potentially compromising your personal data or settings. It’s like giving someone the keys to your house, letting them rearrange things or take what's valuable!

Put simply

Think of this vulnerability like a hotel suite where the staff can access any room without needing the right key cards. If the permissions aren't tightly regulated, anyone could waltz into any room and do as they please! This vulnerability arises from insufficient permission checks, allowing applications to execute code that should be restricted to system-level access. Essentially, it’s a permissions logic error that needs addressing to isolate user actions from system operations.

What to do

If exploited, this could lead to an attacker executing malicious commands on your system with the same privileges as you, potentially compromising your personal data or settings. It’s like giving someone the keys to your house, letting them rearrange things or take what's valuable! To mitigate this vulnerability, ensure you're running macOS Big Sur 11.3 or the Security Update 2021-002 for Catalina. It’s crucial to keep your operating system up-to-date to incorporate improved permissions logic that addresses this issue. 🛡️ You’ve got this! Stay vigilant, keep your systems updated, and you’ll keep those pesky vulnerabilities at bay! 🚀

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02289 · 83.1th percentile
Published
2021-09-08T14:47Z
EPSS history
Timeline
  • 08 SEP 14:47Z
    An application may be able to execute arbitrary code with system privileges
    cvelistv5