Out-of-bounds read in Ivanti Policy Secure (formerly Pulse Policy Secure) and Ivanti Connect Secure (formerly Pulse Connect Secure) - CVE-2025-5456
Published: August 12, 2025
Vulnerability identifier: #VU113825
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-5456
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition. A remote attacker can send specially crafted requests to the system, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.
Affected software
Ivanti Policy Secure (formerly Pulse Policy Secure)
Ivanti Connect Secure (formerly Pulse Connect Secure)
Ivanti Connect Secure (formerly Pulse Connect Secure)
How to mitigate CVE-2025-5456
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) - addressed in versions 22.7R2.8, 22.8R2
Ivanti Connect Secure (formerly Pulse Connect Secure) - addressed in versions 22.7R2.8, 22.8R2