Main Vulnerability Database Vulnerabilities #VU112536

Stack-based buffer overflow in Ivanti Policy Secure (formerly Pulse Policy Secure) and Ivanti Connect Secure (formerly Pulse Connect Secure) - CVE-2025-5451

Published: July 8, 2025

Vulnerability identifier: #VU112536

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-5451

CWE-ID: CWE-121

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote privileged user can trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.

Affected software

Ivanti Policy Secure (formerly Pulse Policy Secure)
Ivanti Connect Secure (formerly Pulse Connect Secure)

How to mitigate CVE-2025-5451

Install updates from vendor's website.

Ivanti Policy Secure (formerly Pulse Policy Secure) - update to 22.7R1.5
Ivanti Connect Secure (formerly Pulse Connect Secure) - update to 22.7R2.8

External References

https://forums.ivanti.com/s/article/July-Security-Advisory-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Multiple-CVEs

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