CVE-2023-39979CWE-334

MXsecurity Authentication Bypass

Critical · published September 2, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
61.9
In the wild
Unconfirmed
What it is

🚨 A remote attacker can bypass authentication entirely in MXsecurity versions before 1.0.1 with just a flick of a switch! 🔥 Think of it like a hotel desk clerk who forgets to check IDs and lets anyone in — that's how an attacker can slip past authentication unnoticed. Without solid random values, it’s alarmingly easy for them to access sensitive systems. If exploited, a malicious actor could gain unauthorized access to your system, potentially leading to data breaches or even full control over your environment. This isn't just a minor oversight; it's a critical loophole that could lead to absolutely devastating consequences for your organization's security!

Put simply

Think of it like a hotel desk clerk who forgets to check IDs and lets anyone in — that's how an attacker can slip past authentication unnoticed. Without solid random values, it’s alarmingly easy for them to access sensitive systems. This vulnerability arises from insufficient randomness in the web service authenticator, allowing attackers to guess or forge authentication tokens. Essentially, it's an authentication bypass that puts your system at risk.

What to do

If exploited, a malicious actor could gain unauthorized access to your system, potentially leading to data breaches or even full control over your environment. This isn't just a minor oversight; it's a critical loophole that could lead to absolutely devastating consequences for your organization's security! Immediately upgrade MXsecurity to version 1.0.1 or later to close this critical gap. Additionally, review your authentication mechanisms to ensure they're using robust random values to prevent similar issues in the future! You've got this! Patch that vulnerability and lock down your security like the superhero you are! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00982 · 61.9th percentile
Weakness
CWE-334 · Small Space of Random Values
Published
2023-09-02T12:05Z
EPSS history
Timeline
  • 02 SEP 12:05Z
    MXsecurity Authentication Bypass
    cvelistv5