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HIGH · 7.5

CVE-2025-5456

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 be...

Vulnerability 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

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
IvantiConnect Secure< 22.7
IvantiPolicy Secure< 22.7
IvantiZero Trust Access Gateway22.8
IvantiNeurons For Secure Access< 22.8

Related Weaknesses (CWE)

CWE-125

References

FAQ

What is CVE-2025-5456?

CVE-2025-5456 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 be...

How severe is CVE-2025-5456?

CVE-2025-5456 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-5456?

Check the references section above for vendor advisories and patch information. Affected products include: Ivanti Connect Secure, Ivanti Policy Secure, Ivanti Zero Trust Access Gateway, Ivanti Neurons For Secure Access.