CVE-2024-34405

Improper deep link validation in McAfee Security: Antivirus VPN for Android before 8.3.0 could allow an attacker to launch an arbitrary URL within the app

Critical · published June 11, 2024

CVSS v3.1
9.1
EPSS
0%
Percentile
39.9
In the wild
Unconfirmed
What it is

🚨 A crafty deep link vulnerability in McAfee Security could let attackers launch arbitrary URLs within the app before version 8.3.0—think of it as giving anyone a map to your treasure chest! 🔥 Imagine a hotel that lets anyone check into any room just by saying the room number—no ID needed! This deep link flaw opens up a similar door, allowing attackers to navigate straight to sensitive areas of your app without permission. An attacker could exploit this vulnerability to redirect users to malicious sites, potentially leading to data breaches, phishing attempts, or malware installation. This could turn your trusted security app into a gateway for cyber threats, jeopardizing your device's safety and your personal data!

Put simply

Imagine a hotel that lets anyone check into any room just by saying the room number—no ID needed! This deep link flaw opens up a similar door, allowing attackers to navigate straight to sensitive areas of your app without permission. The vulnerability arises from improper validation of deep links in the McAfee Security app, allowing arbitrary URLs to be triggered without proper checks. Essentially, it’s like an open invitation for whoever has the right cunning approach.

What to do

An attacker could exploit this vulnerability to redirect users to malicious sites, potentially leading to data breaches, phishing attempts, or malware installation. This could turn your trusted security app into a gateway for cyber threats, jeopardizing your device's safety and your personal data! Update your McAfee Security app to version 8.3.0 or later immediately. Review your app’s configuration for deep link validation and ensure strict validation measures are in place to prevent unauthorized access. Regularly monitor your application for any unusual behavior. You've got this! With a quick update and a few checks, you can keep your app—and your data—safe and sound! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00472 · 39.9th percentile
Published
2024-06-11T00:00Z
EPSS history
Timeline
  • 11 JUN 00:00Z
    Improper deep link validation in McAfee Security: Antivirus VPN for Android before 8.3.0 could allow an attacker to launch an arbitrary URL within the app
    cvelistv5