CVE-2024-21894

Published: Apr 4, 2024

Modified: Oct 3, 2024

PUBLISHED

CVSS v3.0

8.2

HIGH

Description

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

Vendor	Product	Versions
Ivanti	Connect Secure	affected `22.1R6.2 - < 22.1R6.2` affected `22.2R4.2 - < 22.2R4.2` affected `22.3R1.2 - < 22.3R1.2` affected `22.4R1.2 - < 22.4R1.2` affected `22.4R2.4 - < 22.4R2.4` +8 more versions
Ivanti	Policy Secure	affected `22.4R1.2 - < 22.4R1.2` affected `22.6R1.2 - < 22.6R1.2` affected `9.1R16.4 - < 9.1R16.4` affected `9.1R17.4 - < 9.1R17.4` affected `9.1R18.5 - < 9.1R18.5`

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

High

References

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

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CVE-2024-21894

Description

Affected Products

CVSS v3.0 Details

References