CVE-2021-44529

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

Critical 9.8
Exploited: added to CISA KEV 25 Mar 2024
Used in ransomware campaigns

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).

Key facts

Published: 8 Dec 2021
Last changed: 4 Aug 2026
Assigned by: hackerone
KEV added: 25 Mar 2024
KEV fix due: 15 Apr 2024
Used in ransomware: Yes, according to CISA
EPSS: 99.105% likely to be exploited in the next 30 days, higher than 99.934% of CVEs (scores for 15 Nov 2026)
SSVC (CISA): Exploitation: active; Automatable: yes; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

9.8CVSS 3.1, Criticalfrom CISA (ADP container)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What to do

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

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

Vendor	Product	Versions
n/a	Ivanti EPM	4.6.0-512 (affected)