CVE-2025-12476CWE-306

CVE-2025-12476

Critical · published October 29, 2025

CVSS v3.1
9.8
EPSS
0%
Percentile
26.4
In the wild
Unconfirmed
What it is

🚨 A missing authentication check in BLU-IC2 and BLU-IC4 could let anyone waltz right in — and yes, it's as alarming as it sounds! 🔥 Think of it like a party where the bouncer has taken a break — anyone can just walk through the door without checking for an invite. This critical oversight can have far-reaching consequences, as unauthorized guests can do whatever they please once inside! An attacker could exploit this vulnerability to gain unauthorized access to sensitive resources, potentially leading to data breaches, system manipulation, or even complete takeover of the affected services. The absence of authentication is a game-changer, making it crucial to address this vulnerability immediately!

Put simply

Think of it like a party where the bouncer has taken a break — anyone can just walk through the door without checking for an invite. This critical oversight can have far-reaching consequences, as unauthorized guests can do whatever they please once inside! This vulnerability in BLU-IC2 and BLU-IC4 versions up to 1.19.5 allows unauthorized users to bypass authentication mechanisms, granting unrestricted access to resources that should be protected.

What to do

An attacker could exploit this vulnerability to gain unauthorized access to sensitive resources, potentially leading to data breaches, system manipulation, or even complete takeover of the affected services. The absence of authentication is a game-changer, making it crucial to address this vulnerability immediately! To safeguard your systems, upgrade to the latest version of BLU-IC2 or BLU-IC4 as soon as possible. Implement robust authentication checks and consider conducting a comprehensive security audit to identify any other potential weaknesses. Don't wait! 🔥 You've got this! Just follow these steps, and you'll restore security like a pro! 🛡️

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
0.00342 · 26.4th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2025-10-29T21:15Z
Affected products (2)
ProductVersionsFixed in
azure-access/blu-ic2_firmware< 1.201.20
azure-access/blu-ic4_firmware< 1.201.20
References (1)
EPSS history
Timeline
  • 29 OCT 16:31Z
    Resource Lacking AuthN
    cvelistv5