Vulnerability record

CVE-2021-44529

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

CriticalExploitation confirmedCISA KEV Used by ransomware

What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Endpoint Manager Cloud Service Appliance (EPM CSA), fix it now.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

US federal civilian agencies must remediate by Apr 15, 2024.

Patch status

Official fix available since Sep 30, 2026

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

Patch or advisory on forums.ivanti.com (opens in a new tab)

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).

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
Product	Vendor	Source
Endpoint Manager Cloud Service Appliance (EPM CSA)	Ivanti	KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.

Intelligence timeline

Developments from the last 30 days, newest first.

CVSS scoredUpdateKEVSep 30, 2026
CVE-2021-44529 scored CVSS 9.8: Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA), Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) Code Injection Vulnerability
CISA lists this as exploited in the wild and known to be used in ransomware campaigns. Unpatched Endpoint Manager Cloud Service Appliance (EPM CSA) systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
Patch releasedUpdateKEVSep 30, 2026
Patch released for CVE-2021-44529: Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA), Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) Code Injection Vulnerability
An official fix is now available for Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA). This vulnerability is being exploited, so apply it promptly.
Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

forums.ivanti.com https://forums.ivanti.com/s/article/SA-2021-12-02?language=en_US
nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2021-44529
packetstormsecurity.com http://packetstormsecurity.com/files/166383/Ivanti-Endpoint-Manager-CSA-4.5-4.6-Remote-Code-Execution.html
packetstormsecurity.com http://packetstormsecurity.com/files/170590/Ivanti-Cloud-Services-Appliance-CSA-Command-Injection.html
forums.ivanti.com https://forums.ivanti.com/s/article/SA-2021-12-02
cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44529