CVE-2021-3554CWE-284

Improper Access Control vulnerability in the patchesUpdate API

Critical · published November 24, 2021

CVSS v3.1
9.0
EPSS
2%
Percentile
81.7
In the wild
Unconfirmed
What it is

🔥 An attacker could exploit this vulnerability just by manipulating a remote address! Think of it like a hotel receptionist mistakenly giving the master key to a random guest when they only intended to grant access to certain rooms—a simple slip that could lead to unauthorized access. If an attacker takes advantage of this improper access control, they could pull in malicious patches instead of legitimate updates, potentially compromising the entire security of your system. This could lead to data breaches or total system takeovers—absolutely devastating!

Put simply

Think of it like a hotel receptionist mistakenly giving the master key to a random guest when they only intended to grant access to certain rooms—a simple slip that could lead to unauthorized access. This vulnerability in Bitdefender Endpoint Security Tools for Linux allows attackers to relay a remote address for patching, effectively bypassing intended access controls to pull unauthorized updates.

What to do

If an attacker takes advantage of this improper access control, they could pull in malicious patches instead of legitimate updates, potentially compromising the entire security of your system. This could lead to data breaches or total system takeovers—absolutely devastating! Update to Bitdefender Endpoint Security Tools for Linux versions 6.6.27.390 or 7.1.2.33, and Bitdefender Unified Endpoint versions 6.2.21.160 or Bitdefender GravityZone 6.24.1-1 immediately. Check your systems for any unauthorized changes as a precaution. You've got this! By following these steps, you'll be locking down your systems like a pro! 🛡️

The record
Technical detail
CVSS v3.1
9.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02117 · 81.7th percentile
Weakness
CWE-284 · Improper Access Control
Published
2021-11-24T14:45Z
EPSS history
Timeline
  • 24 NOV 14:45Z
    Improper Access Control vulnerability in the patchesUpdate API
    cvelistv5