Vulnerabilities > CVE-2024-22023 - NULL Pointer Dereference vulnerability in Ivanti Connect Secure and Policy Secure

CVSS 5.3 - MEDIUM

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

LOW

network

low complexity

ivanti

CWE-476

NVD

Published: 2024-04-04

Updated: 2024-10-03

Summary

An XML entity expansion or XEE vulnerability in SAML component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows an unauthenticated attacker to send specially crafted XML requests in-order-to temporarily cause resource exhaustion thereby resulting in a limited-time DoS.

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-476 - NULL Pointer Dereference

References

https://forums.ivanti.com/s/article/New-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