CVE-2025-12478CWE-326

CVE-2025-12478

Critical · published October 29, 2025

CVSS v3.1
9.8
EPSS
0%
Percentile
14.5
In the wild
Unconfirmed
What it is

🚨 There’s a non-compliant TLS configuration lurking in BLU-IC2 and BLU-IC4 versions up to 1.19.5, and it’s as dangerous as leaving your front door wide open! 🔥 Think of TLS as a bouncer at a club, checking IDs to keep the riffraff out. A non-compliant configuration is like a bouncer who doesn’t bother checking IDs at all, letting anyone in without proper verification. An attacker could exploit this gap to intercept sensitive data, potentially leading to data breaches, financial losses, and a complete loss of trust from users. This vulnerability is absolutely devastating because it jeopardizes the entire communication channel, exposing critical information to prying eyes.

Put simply

Think of TLS as a bouncer at a club, checking IDs to keep the riffraff out. A non-compliant configuration is like a bouncer who doesn’t bother checking IDs at all, letting anyone in without proper verification. This vulnerability arises from the use of an outdated or improperly configured TLS protocol, which fails to enforce strong encryption methods necessary for secure communications.

What to do

An attacker could exploit this gap to intercept sensitive data, potentially leading to data breaches, financial losses, and a complete loss of trust from users. This vulnerability is absolutely devastating because it jeopardizes the entire communication channel, exposing critical information to prying eyes. Upgrade BLU-IC2 and BLU-IC4 to version 1.19.6 or later immediately. Ensure that your TLS settings adhere to industry standards by disabling weak ciphers and protocols. Conduct thorough testing to confirm compliance with secure communication practices. You've got this! With these steps, you’ll tighten up your security and keep the baddies out! 🛡️

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
0.00242 · 14.5th percentile
Weakness
CWE-326 · Inadequate Encryption Strength
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 16:37Z
    Non-Compliant TLS Configuration
    cvelistv5