CVE-2025-12508CWE-319

CVE-2025-12508

High · published October 31, 2025

CVSS v3.1
8.4
EPSS
0%
Percentile
9.5
In the wild
Unconfirmed
What it is

⚡ Communication with Active Directory services is happening in plain sight! When using domain users as BRAIN2 users, authentication data isn't encrypted, making it a prime target for interception. 🔥 Think of it like sending a postcard instead of a sealed letter; anyone along the route can read your message. In this case, your sensitive authentication data is the message that's vulnerable to prying eyes. An attacker could easily intercept and read authentication data, risking the confidentiality of user credentials and potentially gaining unauthorized access to sensitive resources. This could lead to severe data breaches and compromise trust in your security measures.

Put simply

Think of it like sending a postcard instead of a sealed letter; anyone along the route can read your message. In this case, your sensitive authentication data is the message that's vulnerable to prying eyes. This vulnerability arises when domain users are utilized as BRAIN2 users, allowing unencrypted communication with Active Directory services. Essentially, it exposes authentication data during transmission, making it susceptible to interception by malicious actors.

What to do

An attacker could easily intercept and read authentication data, risking the confidentiality of user credentials and potentially gaining unauthorized access to sensitive resources. This could lead to severe data breaches and compromise trust in your security measures. To remediate this issue, immediately enforce encryption for all communications with Active Directory services. Review your configurations and ensure that secure protocols like LDAPS are being used instead of unencrypted connections. Regularly audit your user access and authentication methods to prevent similar issues. You’ve got this! Follow these steps, and you’ll be one step closer to securing your environment! 🛡️

The record
Technical detail
CVSS v3.1
8.4 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00201 · 9.5th percentile
Weakness
CWE-319 · Cleartext Transmission of Sensitive Information
Published
2025-10-31T20:15Z
References (1)
EPSS history
Timeline
  • 31 OCT 15:49Z
    Unencrypted communication to Active Directory services
    cvelistv5