Buffer Over-Read Vulnerability in Ivanti Connect Secure and Other Ivanti Products
CVE-2025-5456

7.5HIGH

Key Information:

Vendor

Ivanti
Status
Connect Secure
Policy Secure
Zta Gateway
Neurons For Secure
Vendor
CVE Published:
12 August 2025

What is CVE-2025-5456?

A buffer over-read vulnerability exists in Ivanti Connect Secure and other Ivanti products. This flaw allows remote unauthenticated attackers to read beyond the intended buffer boundaries, potentially leading to sensitive information disclosure and a denial of service condition. The affected products include multiple versions of Ivanti Connect Secure, Ivanti Policy Secure, Ivanti ZTA Gateway, and Ivanti Neurons for Secure Access. A patch was deployed on August 2, 2025, to address this vulnerability.

Affected Version(s)

Connect Secure 22.7R2.8

Neurons for Secure 22.8R1.4 (Fix deployed on 02-Aug-2025)

Policy Secure 22.7R1.5

References

https://forums.ivanti.com/s/article/August-Security-Advis...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-5456 : Buffer Over-Read Vulnerability in Ivanti Connect Secure and Other Ivanti Products