CVE-2018-11138KEV · OVERDUECWE-78command-injection

Quest KACE System Management Appliance Remote Command Execution Vulnerability

Critical · published May 31, 2018

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 99.8th percentile for exploit probability.

1652
days past CISA
deadline
CVSS v3.1
9.8
EPSS
92%
Percentile
99.8
In the wild
Confirmed
What it is

🚨 Access to the wrong script can lead to chaos! The '/common/download_agent_installer.php' in Quest KACE lets anyone execute commands with no authentication. 🔥 Think of it like leaving the front door of a high-security facility wide open and inviting anyone to waltz in and take control of the security systems—total mayhem! 🤯 An attacker can exploit this vulnerability to run arbitrary commands on the server, potentially compromising sensitive data, altering configurations, or even bringing the entire system to its knees. This is absolutely devastating for any organization relying on KACE for management. ⚡

Put simply

Think of it like leaving the front door of a high-security facility wide open and inviting anyone to waltz in and take control of the security systems—total mayhem! 🤯 This vulnerability allows anonymous users to access the '/common/download_agent_installer.php' script, which can be abused to execute arbitrary commands on the system without any authentication checks.

What to do

An attacker can exploit this vulnerability to run arbitrary commands on the server, potentially compromising sensitive data, altering configurations, or even bringing the entire system to its knees. This is absolutely devastating for any organization relying on KACE for management. ⚡ To protect your systems, urgently patch to version 8.0.319 or higher. Review your access controls and limit permissions to this script to authorized users only. Make sure to audit your system for any signs of exploitation. 🛡️ You've got this! Take action now to secure your system and block this critical vulnerability! 💪🛡️

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
0.91719 · 99.8th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2018-05-31T22:29Z
KEV added
2022-03-25 · due 2022-04-15
Affected products (1)
ProductVersionsFixed in
quest/kace_system_management_applianceall versions—
References (5)
EPSS history
Timeline
  • 25 MAR 00:00Z
    Added to CISA KEV — remediate by Apr 15
    kev
  • 31 MAY 18:00Z
    The '/common/download_agent_installer.php' script in the Quest KACE System Management Appliance 8.0.318 is accessible by anonymous users and can be abused to…
    cvelistv5