CVE-2021-44529

9.8 CRITICAL CISA KEV - Actively Exploited

Published: December 08, 2021 Modified: November 03, 2025

Description

A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with limited permissions (nobody).

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://packetstormsecurity.com/files/166383/Ivanti-Endpoint-Manager-CSA-4.5-4.6-Remote-Code-Execution.html

Source: support@hackerone.com

Exploit Third Party Advisory VDB Entry

http://packetstormsecurity.com/files/170590/Ivanti-Cloud-Services-Appliance-CSA-Command-Injection.html

Source: support@hackerone.com

Exploit Third Party Advisory VDB Entry

https://forums.ivanti.com/s/article/SA-2021-12-02

Source: support@hackerone.com

Mitigation Patch Vendor Advisory

http://packetstormsecurity.com/files/166383/Ivanti-Endpoint-Manager-CSA-4.5-4.6-Remote-Code-Execution.html

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Third Party Advisory VDB Entry

http://packetstormsecurity.com/files/170590/Ivanti-Cloud-Services-Appliance-CSA-Command-Injection.html

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Third Party Advisory VDB Entry

https://forums.ivanti.com/s/article/SA-2021-12-02

Source: af854a3a-2127-422b-91ae-364da2661108

Mitigation Patch Vendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44529

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

7 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

94.5%

100th percentile

Exploitation Status

Actively Exploited

Remediation due: 2024-04-15

Weaknesses (CWE)

CWE-94 CWE-94

Affected Vendors

ivanti

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