---
id: "CVE-2021-44529"
kind: "vulnerability"
aliases: ["CVE-2021-44529"]
title: "ivanti endpoint manager cloud services appliance: A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to\u2026"
severity: "critical"
cvss: 9.8
epss: null
exploited: true
status: "open"
category: "infrastructure"
products: [{"name": "Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA)", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "ivanti endpoint manager cloud services appliance", "fixed": [], "affected": "<= 4.5", "ecosystem": "vendor"}, {"name": "ivanti endpoint manager cloud services appliance", "fixed": [], "affected": "= 4.6", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["appliance", "endpoint-manager", "exploited", "infrastructure", "ivanti", "ransomware"]
not_affected_if: ["not-running-epm-csa"]
published_at: "2021-12-08T22:15:10+00:00"
first_seen_at: "2026-10-23T19:11:51+00:00"
updated_at: "2026-10-23T22:29:05+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-44529", "first_seen_at": "2026-10-23T19:11:51+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-44529", "first_seen_at": "2026-10-23T22:29:05+00:00"}]
---

# ivanti endpoint manager cloud services appliance: A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to…

Ivanti Endpoint Manager Cloud Service Appliance contains a code injection flaw that lets an unauthenticated attacker run malicious code on the appliance. The code runs with limited permissions as the nobody user, and CISA reports active exploitation.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) affected ? fixed ?
- vendor:ivanti endpoint manager cloud services appliance affected <= 4.5 fixed ?
- vendor:ivanti endpoint manager cloud services appliance affected = 4.6 fixed ?

## Fix

Apply the mitigations from Ivanti's vendor advisory, or stop using the appliance if no mitigation is available (per CISA required action).

## Timeline

- 2026-10-23T19:11:51+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-44529
- 2026-10-23T22:29:05+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2021-44529

## From the sources

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

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_