CVE-2023-35885

CloudPanel 2 before 2.3.1 has insecure file-manager cookie authentication

Critical · published June 20, 2023

Patch now

High probability of exploitation

CVSS calls it critical at 9.8. It sits in the 99.5th percentile for exploit probability.

CVSS v3.1
9.8
EPSS
75%
Percentile
99.5
In the wild
Unconfirmed
What it is

🚨 An unsecured cookie authentication flaw in CloudPanel 2 could let an attacker bypass security altogether! 🔥 Think of your cookie as a VIP pass to a concert; if anyone can get a copy, they can sneak in and access the backstage area without even checking in! An attacker exploiting this vulnerability could waltz right into your file manager, accessing and modifying sensitive files without raising any alarms. This breach could lead to data leaks, unauthorized changes, and a downright nightmare for your cloud management!

Put simply

Think of your cookie as a VIP pass to a concert; if anyone can get a copy, they can sneak in and access the backstage area without even checking in! This vulnerability arises from inadequate cookie authentication in CloudPanel 2 versions prior to 2.3.1, allowing unauthorized users to access the file manager simply by utilizing compromised session cookies.

What to do

An attacker exploiting this vulnerability could waltz right into your file manager, accessing and modifying sensitive files without raising any alarms. This breach could lead to data leaks, unauthorized changes, and a downright nightmare for your cloud management! Upgrade CloudPanel to version 2.3.1 immediately to close this critical loophole. Ensure that cookie-based authentication is properly implemented and consider implementing additional security measures like two-factor authentication. You've got this! By taking action now, you're one step closer to securing your environment. 🛡️

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
0.74888 · 99.5th percentile
Published
2023-06-20T00:00Z
EPSS history
Timeline
  • 20 JUN 00:00Z
    CloudPanel 2 before 2.3.1 has insecure file-manager cookie authentication
    cvelistv5