CVE-2025-22457 is a critical buffer overflow vulnerability (CVSS 9.0) in Ivanti Connect Secure, Policy Secure, and ZTA Gateways, enabling unauthenticated remote code execution via a crafted X-Forwarded-For header. It has been actively exploited by espionage group UNC5221 and is listed in CISA’s KEV catalog. Patches are available for most affected products, but legacy Pulse Connect Secure devices require migration, and customers are advised to monitor for signs of compromise.
Read more about Emerging Threat: Ivanti CVE-2025-22457