CVE-2021-44529KEV · OVERDUECWE-94code-injection

Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) Code Injection Vulnerability

Critical · published December 9, 2021

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 99.9th percentile for exploit probability.

921
days past CISA
deadline
CVSS v3.1
9.8
EPSS
99%
Percentile
99.9
In the wild
Confirmed
What it is

🚨 An unauthenticated user can unleash arbitrary code execution on the Ivanti EPM Cloud Services Appliance with just a simple trick! 🔥 Think of this as a restaurant with an open kitchen where anyone can shout out orders; if there’s no verification, a mischievous diner could ask for anything from the menu—no questions asked! This vulnerability is absolutely devastating! An attacker can execute code with limited permissions, potentially compromising sensitive data or manipulating system functions. Considering it’s already known to be exploited, the stakes are incredibly high!

Put simply

Think of this as a restaurant with an open kitchen where anyone can shout out orders; if there’s no verification, a mischievous diner could ask for anything from the menu—no questions asked! CVE-2021-44529 is a code injection vulnerability in Ivanti's CSA that allows an unauthenticated user to execute arbitrary code due to insufficient input validation, giving them the ability to perform unauthorized actions.

What to do

This vulnerability is absolutely devastating! An attacker can execute code with limited permissions, potentially compromising sensitive data or manipulating system functions. Considering it’s already known to be exploited, the stakes are incredibly high! Immediate action is essential: patch to the latest version as recommended by Ivanti, and review your user access controls to prevent unauthorized interactions. Don't leave any stone unturned—audit your systems to identify potential weak points! You've got this! Tackle this vulnerability head-on, and you'll reinforce your defenses in no time. 🛡️

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
0.99105 · 99.9th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2021-12-09T03:15Z
KEV added
2024-03-25 · due 2024-04-15
Affected products (2)
ProductVersionsFixed in
ivanti/endpoint_manager_cloud_services_appliance≤ 4.5—
ivanti/endpoint_manager_cloud_services_applianceall versions—
References (7)
EPSS history
Timeline
  • 25 MAR 00:00Z
    Added to CISA KEV — remediate by Apr 15
    kev
  • 08 DEC 00:00Z
    A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with limited…
    cvelistv5