Heap-based Buffer Overflow in Ivanti Connect Secure, Policy Secure and ZTA Gateway
CVE-2025-5462

7.5HIGH

Key Information:

Vendor

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

What is CVE-2025-5462?

A heap-based buffer overflow vulnerability has been identified in various Ivanti products, including Ivanti Connect Secure, Ivanti Policy Secure, and Ivanti ZTA Gateway. This flaw allows a remote unauthenticated attacker to exploit the affected systems, potentially leading to a denial of service condition. A fix was deployed on August 2, 2025, marking an important update for users to secure their systems.

Affected Version(s)

Connect Secure 22.7R2.8

Neurons for Secure Access 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-2025-5462 : Heap-based Buffer Overflow in Ivanti Connect Secure, Policy Secure and ZTA Gateway