CVE-2025-22457: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability

Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2025-04-04. EPSS: 100% chance of exploitation in the next 30 days.

A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6, Ivanti Policy Secure before version 22.7R1.4, and Ivanti ZTA Gateways before version 22.8R2.2 allows a remote unauthenticated attacker to achieve remote code execution.

Affected products

• Ivanti Connect Secure: before 22.7 (fixed in 22.7); version 22.7 only
• Ivanti Policy Secure: before 22.7 (fixed in 22.7); version 22.7 only
• Ivanti Zero Trust Access Gateway: before 22.8 (fixed in 22.8); version 22.8 only

Published 2025-04-03. Last modified 2026-08-04.