CVE-2025-5456

HIGH

Ivanti - DoS

Title source: llm

Description

A buffer over-read vulnerability in Ivanti Connect Secure before 22.7R2.8 or 22.8R2, Ivanti Policy Secure before 22.7R1.5, Ivanti ZTA Gateway before 2.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) allows a remote unauthenticated attacker to trigger a denial of service. CWE-125

References (1)

Core 1

Core References

Vendor Advisory

https://forums.ivanti.com/s/article/August-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-Multiple-CVEs?language=en_US

Scores

CVSS v3 7.5

EPSS 0.0064

EPSS Percentile 70.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-125

Status published

Products (7)

ivanti/connect_secure 22.7 (15 CPE variants)

ivanti/connect_secure < 22.7

ivanti/neurons_for_secure_access 22.8 r1 (4 CPE variants)

ivanti/neurons_for_secure_access < 22.8

ivanti/policy_secure 22.7 (6 CPE variants)

ivanti/policy_secure < 22.7

ivanti/zero_trust_access_gateway 22.8 r2.2

Published Aug 12, 2025

Tracked Since Feb 18, 2026