CVE-2021-34993CWE-287

This vulnerability allows remote attackers to bypass authentication on affected installations of Commvault CommCell 11.22.22

Critical · published January 13, 2022

CVSS v3.0
9.8
EPSS
5%
Percentile
92.7
In the wild
Unconfirmed
What it is

🚨 A complete authentication bypass is possible with just a simple request on certain versions of Commvault! 🔥 Think of it like a hotel where anyone can stroll in without showing ID because the front desk just forgot to check — anyone can access any room without verification! This is absolutely devastating as an attacker could gain unrestricted access to your sensitive data and configurations, potentially leading to data breaches and unauthorized changes. Imagine unauthorized users rummaging through your files or even tampering with your backups — that's a nightmare waiting to happen!

Put simply

Think of it like a hotel where anyone can stroll in without showing ID because the front desk just forgot to check — anyone can access any room without verification! The vulnerability in question arises from the CVSearchService service within Commvault CommCell 11.22.22, which lacks proper validation before authentication, allowing attackers to bypass security measures entirely.

What to do

This is absolutely devastating as an attacker could gain unrestricted access to your sensitive data and configurations, potentially leading to data breaches and unauthorized changes. Imagine unauthorized users rummaging through your files or even tampering with your backups — that's a nightmare waiting to happen! To protect your environment, immediately patch to the latest version of Commvault CommCell that addresses this issue. It's crucial to audit your configurations and implement strict access controls while you're at it! You've got this! Follow these steps to secure your system and restore your heroic security status! 🛡️

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.05424 · 92.7th percentile
Weakness
CWE-287 · Improper Authentication
Published
2022-01-13T21:44Z
EPSS history
Timeline
  • 13 JAN 21:44Z
    This vulnerability allows remote attackers to bypass authentication on affected installations of Commvault CommCell 11.22.22
    cvelistv5