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

Vulnerability summary

CVE-2021-44529 is a critical (CVSS 9.8) Code Injection vulnerability in Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA). It is known to be exploited: CISA lists it, first on 25-03-2024. It has been used in ransomware campaigns. EPSS estimates a 99.11% chance of exploitation in the next 30 days, higher than 99.9% of scored vulnerabilities. 4 public exploits are recorded.

Timeline

1. 08-12-2021
   PublishedVulnerability first disclosed.
2. 25-03-2024
   Added to CISA KEVIvanti Endpoint Manager Cloud Service Appliance (EPM CSA) Code Injection Vulnerability
3. 15-04-2024
   CISA remediation dueApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
4. 04-08-2026
   Last modifiedVulnerability information updated.

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).

• CWE-94Improper Control of Generation of Code ('Code Injection')The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.