CVE-2021-36294CWE-331

Dell VNX2 OE for File versions 8.1.21.266 and earlier, contain an authentication bypass vulnerability

Critical · published January 25, 2022

CVSS v3.1
9.8
EPSS
2%
Percentile
75.0
In the wild
Unconfirmed
What it is

🚨 An unauthenticated attacker can waltz right in like they own the place! This authentication bypass in Dell VNX2 OE for File allows cookie forgery to log in as any user. 🔥 Think of it like a hotel where anyone can stroll up to the front desk and get a room key without even showing ID — a serious breach of trust! 🏨 If exploited, an attacker could gain unauthorized access to sensitive data and perform actions as any user on the system. This could lead to data breaches, malicious alterations, or even complete control over the services. The risks are absolutely devastating!

Put simply

Think of it like a hotel where anyone can stroll up to the front desk and get a room key without even showing ID — a serious breach of trust! 🏨 This vulnerability arises because the system fails to properly verify user authentication, allowing an attacker to forge session cookies and impersonate legitimate users without any valid credentials.

What to do

If exploited, an attacker could gain unauthorized access to sensitive data and perform actions as any user on the system. This could lead to data breaches, malicious alterations, or even complete control over the services. The risks are absolutely devastating! Patch immediately to version 8.1.21.267 or later to seal this security gap. Ensure that cookie validation is robust, and consider implementing additional security measures like multi-factor authentication for added protection. You've got this! Follow these steps and secure your system against this vulnerability in no time. 🛡️

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
0.01560 · 75.0th percentile
Weakness
CWE-331 · Insufficient Entropy
Published
2022-01-25T22:15Z
EPSS history
Timeline
  • 25 JAN 22:15Z
    Dell VNX2 OE for File versions 8.1.21.266 and earlier, contain an authentication bypass vulnerability
    cvelistv5