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CVE-2024-21887

CRITICAL
Command Injection (CWE-77)
2024-01-12 support@hackerone.com
9.1
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.1 CRITICAL
AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Mar 26, 2026 - 11:20 vuln.today
Added to CISA KEV
Oct 31, 2025 - 21:56 cisa
CISA KEV
PoC Detected
Oct 31, 2025 - 21:56 vuln.today
Public exploit code
CVE Published
Jan 12, 2024 - 17:15 nvd
CRITICAL 9.1

DescriptionCVE.org

A command injection vulnerability in web components of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) allows an authenticated administrator to send specially crafted requests and execute arbitrary commands on the appliance.

AnalysisAI

Ivanti Connect Secure and Policy Secure contain an authenticated command injection in web components allowing administrators to execute arbitrary commands, chained with CVE-2023-46805 for unauthenticated RCE.

Technical ContextAI

The CWE-77 command injection in web management components allows injecting OS commands through specially crafted HTTP requests. While requiring admin authentication standalone, the chain with CVE-2023-46805 provides the authentication bypass needed for unauthenticated exploitation.

Affected ProductsAI

Ivanti Connect Secure 9.x and 22.x Ivanti Policy Secure 9.x and 22.x

RemediationAI

Apply Ivanti patches. Factory reset recommended before patching. Rotate all credentials that were accessible through the VPN appliance. Monitor for persistent access attempts.

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CVE-2024-21887 vulnerability details – vuln.today
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