Actively exploited in the wild
Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
Ivanti - Connect Secure, Policy Secure, and ZTA Gateways · Listed in the CISA KEV since 2025-04-04. This indicates confirmed attacks in production environments.
Required action: Apply mitigations as set forth in the CISA instructions linked below.
CVE-2025-22457
CriticalCVSS 9.0KEVExploitation Probability (EPSS)
Very high risk100th percentile - higher than 100% of all known CVEs
Summary
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. It allows a remote unauthenticated attacker to achieve remote code execution.
Risk Assessment
A remote unauthenticated attacker can execute arbitrary code on the device, potentially leading to full system compromise.
Recommendation
Update the software to the latest versions mentioned in the description and monitor systems for anomalies.
Other vulnerabilities in Ivanti Connect Secure
See all- CVE-2026-111357HighActively exploited
Ivanti Connect Secure 22.8R2.4 mishandles the manner in which the dsinvoked broker trusts DSCache configuration data, leading to privilege escalation to root, as exploited in the wild in October 2026.
- CVE-2025-0282CriticalActively exploited
A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.5, Ivanti Policy Secure before version 22.7R1.2, and Ivanti Neurons for ZTA gateways before version 22.7R2.3. It allows a remote unauthenticated attacker to achieve remote code execution.
- CVE-2024-21893HighActively exploited
A server-side request forgery vulnerability in the SAML component of Ivanti Connect Secure, Ivanti Policy Secure, and Ivanti Neurons for ZTA. It allows an attacker to access certain restricted resources without authentication.
- CVE-2024-21887CriticalActively exploited
A command injection vulnerability in web components of Ivanti Connect Secure and Ivanti Policy Secure. It allows an authenticated administrator to send specially crafted requests and execute arbitrary commands on the appliance.
- CVE-2023-46805HighActively exploited
An authentication bypass vulnerability in the web component of Ivanti ICS 9.x, 22.x and Ivanti Policy Secure. It allows a remote attacker to access restricted resources by bypassing control checks.
- CVE-2025-8712Medium
Missing authorization in Ivanti products (Connect Secure, Policy Secure, ZTA Gateway, Neurons for Secure Access) allows a remote authenticated attacker with read-only admin privileges to configure restricted settings.
- CVE-2025-55148High
Missing authorization in Ivanti Connect Secure before 22.7R2.9 or 22.8R2, Ivanti Policy Secure before 22.7R1.6, Ivanti ZTA Gateway before 2.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (fix deployed on 02-Aug-2025) allows a remote authenticated attacker with read-only admin privileges to configure restricted settings.
- CVE-2025-55146Medium
An unchecked return value vulnerability exists in Ivanti Connect Secure, Policy Secure, ZTA Gateway, and Neurons for Secure Access. A remote authenticated attacker with admin privileges can trigger a denial of service.
- CVE-2025-55145High
Missing authorization in Ivanti Connect Secure before 22.7R2.9 or 22.8R2, Ivanti Policy Secure before 22.7R1.6, Ivanti ZTA Gateway before 2.8R2.3-723, and Ivanti Neurons for Secure Access before 22.8R1.4 (fix deployed on 02-Aug-2025) allows a remote authenticated attacker to hijack existing HTML5 connections.
- CVE-2025-55142High
Missing authorization in Ivanti Connect Secure before 22.7R2.9 or 22.8R2, Ivanti Policy Secure before 22.7R1.6, Ivanti ZTA Gateway before 2.8R2.3-723, and Ivanti Neurons for Secure Access before 22.8R1.4 (fix deployed 02-Aug-2025) allows a remote authenticated attacker with read-only admin privileges to configure authentication-related settings.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS