CVE-2023-3265CWE-150

An authentication bypass exists on CyberPower PowerPanel Enterprise by failing to sanitize meta-characters from the username, allowing an attacker to login…

Critical · published August 14, 2023

CVSS v3.1
9.8
EPSS
2%
Percentile
75.9
In the wild
Unconfirmed
What it is

🚨 A sneaky little character is all it takes to bypass authentication! In CyberPower PowerPanel Enterprise, an attacker can log in as an admin using the default 'cyberpower' account just by appending a non-printable character — think of it as finding a way to slip a keycard into a secure building without any clearance! 🔥 Imagine a hotel guest sneaking past the front desk by manipulating the check-in system with a clever trick that nobody noticed. Instead of needing a proper reservation, they just change the system's response to let themselves into the VIP area! This vulnerability could allow an attacker to waltz right into your system as an administrator, which means they can access sensitive data, change settings, or even shut down critical services. The potential fallout from an unauthorized admin login is absolutely devastating – think of it as someone getting the master key to your entire operation!

Put simply

Imagine a hotel guest sneaking past the front desk by manipulating the check-in system with a clever trick that nobody noticed. Instead of needing a proper reservation, they just change the system's response to let themselves into the VIP area! CVE-2023-3265 is an authentication bypass flaw in CyberPower PowerPanel Enterprise, caused by the failure to sanitize meta-characters in the username input. This allows unauthenticated attackers to log in with default credentials by simply appending a non-printable character to the username 'cyberpower'.

What to do

This vulnerability could allow an attacker to waltz right into your system as an administrator, which means they can access sensitive data, change settings, or even shut down critical services. The potential fallout from an unauthorized admin login is absolutely devastating – think of it as someone getting the master key to your entire operation! Immediately change the default credentials if you haven't already, and patch your installation to the latest version released by CyberPower. Additionally, implement stricter input validation to ensure no meta-characters can be used to manipulate the login process. You've got this! Take these steps to secure your system and restore peace of mind. 🛡️

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
0.01621 · 75.9th percentile
Weakness
CWE-150 · Improper Neutralization of Escape, Meta, or Control Sequences
Published
2023-08-14T04:08Z
EPSS history
Timeline
  • 14 AUG 04:08Z
    An authentication bypass exists on CyberPower PowerPanel Enterprise by failing to sanitize meta-characters from the username, allowing an attacker to login…
    cvelistv5