CVE-2025-22457

Published Apr 3, 2025

Last updated 3 hours ago

Exploit known CVSS critical 9.0

Ivanti

Connect Secure

Policy Secure

Overview

AI description

Generated using AI and has not been reviewed by Intruder. May contain errors.

CVE-2025-22457 is a stack-based buffer overflow vulnerability affecting Ivanti Connect Secure, Ivanti Policy Secure, and Ivanti ZTA Gateways. It allows a remote, unauthenticated attacker to execute arbitrary code on the target device. The vulnerability is triggered by network access to the impacted appliances. Exploitation of CVE-2025-22457 has been observed in the wild, with attackers using a shell script dropper to inject the BRUSHFIRE passive backdoor into a running web process.

Description: 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.
Source: 3c1d8aa1-5a33-4ea4-8992-aadd6440af75
NVD status: Received

Risk scores

CVSS 3.1

Type: Secondary
Base score: 9
Impact score: 6
Exploitability score: 2.2
Vector string: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Severity: CRITICAL

Known exploits

Data from CISA

Vulnerability name: Ivanti Connect Secure, Policy Secure and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
Exploit added on: Apr 4, 2025
Exploit action due: Apr 11, 2025
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weaknesses

3c1d8aa1-5a33-4ea4-8992-aadd6440af75: CWE-121

Hype score is a measure of social media activity compared against trending CVEs from the past 12 months. Max score 100.

Hype score: 53