CVE-2025-66001CWE-295

CVE-2025-66001

High · published January 8, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
28.7
In the wild
Unconfirmed
What it is

🚨 A sneaky oversight might leave your NeuVector installation vulnerable! Without enforced TLS verification for OpenID Connect, your system is an easy target for man-in-the-middle (MITM) attacks. ⚡ Think of TLS verification as a bouncer at a club who checks IDs before letting people in. If there's no bouncer, anyone could sneak in, pretending to be someone else and causing chaos! An attacker could intercept communications between your system and the authentication provider, potentially stealing sensitive data or impersonating legitimate users. This could lead to unauthorized access and a complete breach of your security protocols, making it an absolutely devastating scenario for any organization.

Put simply

Think of TLS verification as a bouncer at a club who checks IDs before letting people in. If there's no bouncer, anyone could sneak in, pretending to be someone else and causing chaos! CVE-2025-66001 reveals that NeuVector does not enforce TLS verification for OpenID Connect by default, which is crucial to ensure the authenticity and integrity of the remote server being connected to, thus exposing it to MITM attacks.

What to do

An attacker could intercept communications between your system and the authentication provider, potentially stealing sensitive data or impersonating legitimate users. This could lead to unauthorized access and a complete breach of your security protocols, making it an absolutely devastating scenario for any organization. To patch this vulnerability, ensure that TLS verification is enabled for OpenID Connect in your NeuVector configuration. Additionally, review your current settings and consider implementing additional security measures, such as using strong authentication methods. Don't forget to keep your NeuVector installation up to date! You've got this! By taking these steps, you'll reinforce your defenses and keep your system safe from sneaky attacks. 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00361 · 28.7th percentile
Weakness
CWE-295 · Improper Certificate Validation
Published
2026-01-08T16:15Z
References (2)
EPSS history
Timeline
  • 08 JAN 10:23Z
    NeuVector OpenID Connect is vulnerable to man-in-the-middle (MITM)
    cvelistv5