Out-of-bounds read in Ivanti Connect Secure (formerly Pulse Connect Secure) and Ivanti Policy Secure (formerly Pulse Policy Secure) - CVE-2025-5456
Published: August 12, 2025
Vulnerability identifier: #VU113825
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2025-5456
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Ivanti
Affected software:
Ivanti Connect Secure (formerly Pulse Connect Secure)
Ivanti Policy Secure (formerly Pulse Policy Secure)
Ivanti Connect Secure (formerly Pulse Connect Secure)
Ivanti Policy Secure (formerly Pulse Policy Secure)
Detailed vulnerability description
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.
How to mitigate CVE-2025-5456
Install updates from vendor's website.