CVE-2024-21887

Ivanti Connect Secure and Policy Secure Command Injection Vulnerability

Critical 9.1
Exploited: added to CISA KEV 10 Jan 2024
Used in ransomware campaigns

Description

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.

Key facts

Published: 12 Jan 2024
Last changed: 4 Aug 2026
Assigned by: hackerone
KEV added: 10 Jan 2024
KEV fix due: 22 Jan 2024
Used in ransomware: Yes, according to CISA
EPSS: 99.999% likely to be exploited in the next 30 days, higher than 100% of CVEs (scores for 15 Nov 2026)
SSVC (CISA): Exploitation: active; Automatable: no; Technical impact: total

Severity scores

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

9.1CVSS 3.0, Criticalfrom the CNA (hackerone)CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/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
Ivanti	ICS	Default status: unaffected 9.1R18 up to and including 9.1R18 (affected) 22.6R2 up to and including 22.6R2 (affected)
Ivanti	IPS	Default status: unaffected 9.1R18 up to and including 9.1R18 (affected) 22.6R1 up to and including 22.6R1 (affected)