CVE-2025-9312CWE-306

Improper Certificate-Based Authentication Enforcement in Multiple WSO2 Products

Critical · published November 18, 2025

CVSS v3.1
9.8
EPSS
0%
Percentile
15.4
In the wild
Unconfirmed
What it is

🔥 A sneaky gap in WSO2's mTLS setup lets attackers skip the authentication line entirely! Think of this like a fancy restaurant where diners can walk in without a reservation — if the host isn't checking carefully, some could sit down and order from the menu without any credentials. In this case, attackers gain access to sensitive endpoints without proper verification, all while the security guards are off-duty! If exploited, a malicious actor could waltz right in and gain administrative privileges, performing unauthorized operations as if they owned the place. This could lead to data breaches, unauthorized changes, or even service disruption — absolutely devastating for any organization reliant on these systems.

Put simply

Think of this like a fancy restaurant where diners can walk in without a reservation — if the host isn't checking carefully, some could sit down and order from the menu without any credentials. In this case, attackers gain access to sensitive endpoints without proper verification, all while the security guards are off-duty! This vulnerability stems from a missing enforcement of authentication in the mTLS implementation for System REST APIs and SOAP services within multiple WSO2 products, allowing unauthenticated requests despite mTLS being enabled when default settings are used.

What to do

If exploited, a malicious actor could waltz right in and gain administrative privileges, performing unauthorized operations as if they owned the place. This could lead to data breaches, unauthorized changes, or even service disruption — absolutely devastating for any organization reliant on these systems. To mitigate this risk, review and adjust your mTLS configurations to ensure proper authentication enforcement. Patch to the latest WSO2 version that addresses this vulnerability as soon as it’s available, and audit your API settings to maximize security. 🛡️ You've got this! With a little diligence, you can secure your WSO2 setup and keep those dining room gates firmly locked! 💪✨

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
0.00250 · 15.4th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2025-11-18T12:05Z
EPSS history
Timeline
  • 18 NOV 12:05Z
    Improper Certificate-Based Authentication Enforcement in Multiple WSO2 Products
    cvelistv5