Connect Secure, Policy Secure and ZTA
CVE-2025-5456: Buffer over-read in Connect Secure, Policy Secure and others
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.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Connect Secure 22.7R2, 22.8R2 | Not affected |
| Policy Secure 22.7R1 | Not affected |
| ZTA Gateway 2.8R2 | Not affected |
| Neurons for Secure 22.8R1 | Not affected |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
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
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.