Stack-based buffer overflow in Ivanti Connect Secure (formerly Pulse Connect Secure) - CVE-2025-0282
Published: January 8, 2025 / Updated: June 13, 2025
Vulnerability identifier: #VU102473
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2025-0282
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Ivanti
Affected software:
Ivanti Connect Secure (formerly Pulse Connect Secure)
Ivanti Connect Secure (formerly Pulse Connect Secure)
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when handling untrusted input. A remote unauthenticated attacker can send specially crafted packets to the system, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Note, the vulnerability is being actively exploited in the wild against Ivanti Connect Secure instances.
How to mitigate CVE-2025-0282
Install updates from vendor's website.