CVE-2021-44529 — Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) Code Injection Vulnera

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

01What is this vulnerability?

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

02Affected products

Vendor	Product	Versions
n	a / Ivanti EPM	4.6.0-512

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2024-03-25. Ransomware use: Known.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2021-12-08T00:00:00.000Z
• Last modified: 2025-10-21T23:25:23.846Z
• Added to CISA KEV: 2024-03-25
• BOD 22-01 due: 2024-04-15

09References

• forums.ivanti.com — https://forums.ivanti.com/s/article/SA-2021-12-02
• packetstormsecurity.com — http://packetstormsecurity.com/files/166383/Ivanti-Endpoint-Manager-CSA-4.5-4.6-…
• packetstormsecurity.com — http://packetstormsecurity.com/files/170590/Ivanti-Cloud-Services-Appliance-CSA-…