CVE-2025-5456

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-08-12 · updated 2026-06-17
Weakness: CWE-125

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

Affected products

Ivanti Connect Secure (Pulse Secure): before 22.7; 22.7, 22.7-r1, 22.7-r1.1, 22.7-r1.2, 22.7-r1.3, 22.7-r1.4 (+9) — fixed in 22.7
Ivanti Neurons for Secure Access: before 22.8; 22.8-r1, 22.8-r1.1, 22.8-r1.2, 22.8-r1.3 — fixed in 22.8
Ivanti Policy Secure: before 22.7; 22.7, 22.7-r1, 22.7-r1.1, 22.7-r1.2, 22.7-r1.3, 22.7-r1.4 — fixed in 22.7
Ivanti Zero Trust Access Gateway: 22.8-r2.2

How to fix

Upgrade to a fixed version: Ivanti Connect Secure (Pulse Secure) 22.7; Ivanti Neurons for Secure Access 22.8; Ivanti Policy Secure 22.7. Check the vendor advisory for mitigations.

References

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

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