CVE-2023-3267CWE-78

When adding a remote backup location, an authenticated user can pass arbitrary OS commands through the username field

Critical ยท published August 14, 2023

CVSS v3.1
9.1
EPSS
2%
Percentile
77.7
In the wild
Unconfirmed
What it is

๐Ÿšจ A sneaky little flaw is lurking in the CyberPower PowerPanel Enterprise server โ€” an authenticated user can send malicious commands through the username field! ๐Ÿ”ฅ Picture a hotel receptionist who takes any name without checking IDs, letting any guest into the VIP lounge. In this case, the username field acts like that receptionist, allowing an attacker to slip in destructive commands under the guise of a legitimate user. ๐Ÿค” If exploited, an attacker could execute arbitrary code with system-level access, potentially gaining control over the entire server. This means they could manipulate settings, delete vital data, or even deploy ransomware โ€” an absolutely devastating scenario for any organization! ๐Ÿ˜ฑ

Put simply

Picture a hotel receptionist who takes any name without checking IDs, letting any guest into the VIP lounge. In this case, the username field acts like that receptionist, allowing an attacker to slip in destructive commands under the guise of a legitimate user. ๐Ÿค” This vulnerability allows authenticated users to pass OS commands into CMD without any sanitization, effectively granting them NT/Authority System privileges. This means that once logged in, attackers can unleash chaos by running any command they desire.

What to do

If exploited, an attacker could execute arbitrary code with system-level access, potentially gaining control over the entire server. This means they could manipulate settings, delete vital data, or even deploy ransomware โ€” an absolutely devastating scenario for any organization! ๐Ÿ˜ฑ Immediate action is essential! Update the CyberPower PowerPanel Enterprise server to the latest version available, which includes necessary sanitizations for the username field. Additionally, review user permissions and enforce least privilege principles for account access. ๐Ÿ”’ You've got this! Follow these steps to secure your server and protect your organization from this critical threat. ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS v3.1
9.1 ยท CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01752 ยท 77.7th percentile
Weakness
CWE-78 ยท Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2023-08-14T04:11Z
EPSS history
Timeline
  • 14 AUG 04:11Z
    When adding a remote backup location, an authenticated user can pass arbitrary OS commands through the username field
    cvelistv5