CVE-2024-21894

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

A heap overflow vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows an unauthenticated malicious user to send specially crafted requests in-order-to crash the service thereby causing a DoS attack. In certain conditions this may lead to execution of arbitrary code

Una vulnerabilidad de desbordamiento de montón en el componente IPSec de Ivanti Connect Secure (9.x, 22.x) e Ivanti Policy Secure permite que un usuario malintencionado no autenticado envíe solicitudes especialmente manipuladas para bloquear el servicio, provocando así un ataque DoS. En determinadas condiciones, esto puede conducir a la ejecución de código arbitrario.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-01-03 CVE Reserved
2024-04-04 CVE Published
2024-10-03 CVE Updated
2025-03-31 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-703: Improper Check or Handling of Exceptional Conditions
CWE-787: Out-of-bounds Write

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://forums.ivanti.com/s/article/SA-CVE-2024-21894-Heap-Overflow-CVE-2024-22052-Null-Pointer-Dereference-CVE-2024-22053-Heap-Overflow-and-CVE-2024-22023-XML-entity-expansion-or-XXE-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US	2024-07-03

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r1		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r10		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r11		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r11.5		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r12		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r13		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r14, lts		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r15		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r16		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r17		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r18		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r2		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r3		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r4		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r4.1		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r4.2		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r4.3		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r5		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r6		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r7		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r8		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				9.1 Search vendor "Ivanti" for product "Connect Secure" and version "9.1"		r9		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				22.1 Search vendor "Ivanti" for product "Connect Secure" and version "22.1"		-		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				22.2 Search vendor "Ivanti" for product "Connect Secure" and version "22.2"		-		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				22.3 Search vendor "Ivanti" for product "Connect Secure" and version "22.3"		-		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				22.4 Search vendor "Ivanti" for product "Connect Secure" and version "22.4"		-		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				22.5 Search vendor "Ivanti" for product "Connect Secure" and version "22.5"		-		Affected
Ivanti Search vendor "Ivanti"		Connect Secure Search vendor "Ivanti" for product "Connect Secure"				22.6 Search vendor "Ivanti" for product "Connect Secure" and version "22.6"		-		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.0 Search vendor "Ivanti" for product "Policy Secure" and version "9.0"		-		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.0 Search vendor "Ivanti" for product "Policy Secure" and version "9.0"		r1		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.0 Search vendor "Ivanti" for product "Policy Secure" and version "9.0"		r2		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.0 Search vendor "Ivanti" for product "Policy Secure" and version "9.0"		r2.1		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.0 Search vendor "Ivanti" for product "Policy Secure" and version "9.0"		r3		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.0 Search vendor "Ivanti" for product "Policy Secure" and version "9.0"		r3.1		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.0 Search vendor "Ivanti" for product "Policy Secure" and version "9.0"		r4		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		-		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r1		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r10		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r11		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r12		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r13		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r14		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r15		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r16		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r17		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r18		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r2		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r3		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r4		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r5		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r6		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r7		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r8		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				9.1 Search vendor "Ivanti" for product "Policy Secure" and version "9.1"		r9		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				22.1 Search vendor "Ivanti" for product "Policy Secure" and version "22.1"		-		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				22.2 Search vendor "Ivanti" for product "Policy Secure" and version "22.2"		-		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				22.3 Search vendor "Ivanti" for product "Policy Secure" and version "22.3"		-		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				22.4 Search vendor "Ivanti" for product "Policy Secure" and version "22.4"		-		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				22.5 Search vendor "Ivanti" for product "Policy Secure" and version "22.5"		-		Affected
Ivanti Search vendor "Ivanti"		Policy Secure Search vendor "Ivanti" for product "Policy Secure"				22.6 Search vendor "Ivanti" for product "Policy Secure" and version "22.6"		-		Affected