Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

CRITICAL

9 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Exploitation Likelihood

EPSS Prediction

94.11 %

Predictive Probability

Percentile Rank

99.9 th

Documented as more likely to be exploited than 99.9% of known CVEs.

Detection Date

Jan 08, 2025

Remediation Due

Jan 15, 2025

CISA Catalog Active

Threat Analysis

Ivanti Connect Secure, Policy Secure, and ZTA Gateways contain a stack-based buffer overflow which can lead to unauthenticated remote code execution.

Remediation Directive

Apply mitigations as set forth in the CISA instructions linked below to include conducting hunt activities, taking remediation actions if applicable, and applying updates prior to returning a device to service.

Asset Context

Vendor Identity

Ivanti

Affected Product

Connect Secure, Policy Secure, and ZTA Gateways

Ransomware Status

Campaign Use Known

Weakness Classification

CWE-121

External Intelligence

CISA

CISA Advisory

https://www.cisa.gov/cisa-mitigation-instructions-CVE-2025-0282

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2025-0282