CVE-2023-50969

Thales Imperva SecureSphere WAF 14.7.0.40 allows remote attackers to bypass WAF rules via a crafted POST request, a different vulnerability than CVE-2021-45468

Critical · published March 28, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
60.0
In the wild
Unconfirmed
What it is

🚨 A crafted POST request is all it takes to bypass security rules in Thales Imperva SecureSphere WAF 14.7.0.40! This is not just a minor hiccup—it's a 🔥 critical vulnerability! Imagine a security guard at a high-end event who lets anyone through just because they flashed a fake invite—this vulnerability lets attackers waltz past your Web Application Firewall (WAF) with ease! An attacker could exploit this flaw to bypass WAF protections entirely, enabling them to send malicious requests to your server unnoticed. This means they could gain unauthorized access to sensitive data or manipulate your systems, making it a severe threat to the integrity of your applications.

Put simply

Imagine a security guard at a high-end event who lets anyone through just because they flashed a fake invite—this vulnerability lets attackers waltz past your Web Application Firewall (WAF) with ease! This vulnerability allows remote attackers to circumvent WAF rules by sending specially crafted POST requests that the WAF fails to properly validate, leading to the exposure of the backend systems.

What to do

An attacker could exploit this flaw to bypass WAF protections entirely, enabling them to send malicious requests to your server unnoticed. This means they could gain unauthorized access to sensitive data or manipulate your systems, making it a severe threat to the integrity of your applications. Immediate action is crucial: patch to version 14.7.0.41 or higher to close this security gap. Additionally, review your WAF configurations to ensure they are properly set to catch suspicious requests. You've got this! By taking these steps, you can secure your application and maintain your superhero status in the fight for cybersecurity! 🛡️

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
0.00924 · 60.0th percentile
Published
2024-03-28T00:00Z
EPSS history
Timeline
  • 28 MAR 00:00Z
    Thales Imperva SecureSphere WAF 14.7.0.40 allows remote attackers to bypass WAF rules via a crafted POST request, a different vulnerability than CVE-2021-45468
    cvelistv5