Hazard

Is CVE-2021-44529 being exploited?

Ransomware crews are using this

CISA has linked this vulnerability to known ransomware campaigns. Treat any exposed instance as an active incident, not a patching ticket.

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

Ivanti · Endpoint Manager Cloud Service Appliance (EPM CSA)

CVSS 9.8 EPSS 99% 1 public exploit ransomware Fix deadline passed 15 April 2024

What it is

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).

Why we say that

  • Linked by CISA to known ransomware campaigns
  • EPSS puts exploitation in the next 30 days at 99%
  • 1 public exploit published
  • CISA's federal remediation deadline (2024-04-15) has passed
  • CVSS 9.8 critical
  • Listed in the CISA Known Exploited Vulnerabilities catalogue

Every line above comes from a named public source. Where the evidence is thin, we say so rather than inventing confidence — see methodology.

What to do

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

Public exploit code

Indexed from Exploit-DB. Presence of code raises urgency; absence does not mean safety.

What it costs when this goes wrong

This is where UK enforcement meets the vulnerability record. This vulnerability is used in ransomware campaigns; here is what ransomware has cost UK organisations at the regulator.

All UK cases caused by ransomware →