known ransomware use

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

Added to KEV
2025-04-04
Federal due date
2025-04-11
Vendor
Ivanti
Product
Connect Secure, Policy Secure, and ZTA Gateways
EPSS
98.3th percentile (score 0.589, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Known
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2025-22457

CISA short description

Ivanti Connect Secure, Policy Secure, and ZTA Gateways contains a stack-based buffer overflow vulnerability that allows a remote unauthenticated attacker to achieve remote code execution.

Required action

Apply mitigations as set forth in the CISA instructions linked below.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.