Vulnerabilities > CVE-2024-21894 - Out-of-bounds Write vulnerability in Ivanti Connect Secure and Policy Secure

CVSS 9.8 - CRITICAL

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

HIGH

Integrity impact

HIGH

Availability impact

HIGH

network

low complexity

ivanti

CWE-787

critical

NVD

Published: 2024-04-04

Updated: 2024-04-08

Summary

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

Vulnerable Configurations

Part	Description	Count
Application	Ivanti Ivanti Connect Secure 9.1 Ivanti Connect Secure 22.1 Ivanti Connect Secure 22.2 Ivanti Connect Secure 22.3 Ivanti Connect Secure 22.4 Ivanti Connect Secure 22.5 Ivanti Connect Secure 22.6 Ivanti Policy Secure 9.1 Ivanti Policy Secure 9.0 Ivanti Policy Secure 22.1 Ivanti Policy Secure 22.2 Ivanti Policy Secure 22.3 Ivanti Policy Secure 22.4 Ivanti Policy Secure 22.5 Ivanti Policy Secure 22.6	60

Common Weakness Enumeration (CWE)

CWE-787 - Out-of-bounds Write

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

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

Related news

References