Vulnerability · CVE-2021-44529
Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) Code Injection Vulnerability
Published Dec 8, 2021 · catalog updated Aug 3, 2026 · Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA)
Patch now
CVE-2021-44529 is in the CISA known-exploited catalog, due Apr 15, 2024. Confirm Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) against the vendor advisory and apply that fix. The CVSS score does not change the priority.
- Severity
- Critical9.8
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 99.11%
- Remediation
- Remediation guidance
- Affected products
- cpe ivanti/endpoint manager cloud services appliance · vendor Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA)
Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) contains a code injection vulnerability that allows an unauthenticated user to execute malicious code with limited permissions (nobody). Initial-access exploit intelligence.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe ivanti/endpoint manager cloud services appliance4.6
- vendor Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA)version unspecified
How to fix CVE-2021-44529
Recommended remediation
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA due date Apr 15, 2024.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2021-44529 is in the CISA known-exploited catalog, due Apr 15, 2024. Confirm Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Compare what you have installed with ivanti/endpoint manager cloud services appliance 4.6. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
What should an analyst verify?
CWE-94: Code Injection. EPSS 99.11%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 8, 2021 · Catalog
Detected
Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) contains a code injection vulnerability that allows an unauthenticated user to execute malicious code with limited permissions (nobody).
Mar 25, 2024 · CISA KEV
Known exploited
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Apr 15, 2024 · CISA KEV
Remediation due
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Aug 3, 2026 · Catalog
Updated
Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) contains a code injection vulnerability that allows an unauthenticated user to execute malicious code with limited permissions (nobody).
Sources
- CISA KEVConfirmed exploitationCVE-2021-44529
Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) contains a code injection vulnerability that allows an unauthenticated user to execute malicious code with limited permissions (nobody).
cisa.gov - CVE.orgVulnerability recordCVE-2021-44529
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2021-44529
30-day exploitation probability 99.1%
first.org - Exploit DatabasePublic exploit reference50833
Public archive entry. The exploit body is not stored here.
exploit-db.com - Metasploit ModulesPublic exploit moduleexploit_linux/http/ivanti_csa_unauth_rce_cve_2021_44529
Public module reference (excellent). Module source is not copied into this catalog.
rapid7.com - NIST NVDVulnerability recordCVE-2021-44529
A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with limited permissions (nobody).
nvd.nist.gov - Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/166383/Ivanti-Endpoint-Manager-CSA-4.5-4.6-Remote-Code-Execution.html
Packet Storm link already published on the finding.
packetstormsecurity.com - Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/170590/Ivanti-Cloud-Services-Appliance-CSA-Command-Injection.html
Packet Storm link already published on the finding.
packetstormsecurity.com - VulnCheck KEVConfirmed exploitationCVE-2021-44529
Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) contains a code injection vulnerability that allows an unauthenticated user to execute malicious code with limited permissions (nobody).
vulncheck.com
References
- Exploit · packetstormsecurity.com
- Exploit · packetstormsecurity.com
- Mitigation · forums.ivanti.com
- CISA note · forums.ivanti.com
- VulnCheck exploitation evidence · harfanglab.io
- VulnCheck exploitation evidence · info.greynoise.io
- CISA note · nvd.nist.gov
- VulnCheck exploitation evidence · veriti.ai
- US Government Resource · cisa.gov
- VulnCheck exploitation evidence · cisa.gov
- VulnCheck exploitation evidence · crowdstrike.com
- VulnCheck exploitation evidence · crowdstrike.com
Freshness
Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.