Known exploited · Ivanti
CVE-2025-22457: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
What it is
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.
- Vendor
- Ivanti
- Product
- Connect Secure, Policy Secure, and ZTA Gateways
- Added to KEV
- April 4, 2025
- CISA due date
- April 11, 2025
- Ransomware use
- Known
What CISA requires
Apply mitigations as set forth in the CISA instructions linked below.
Forensic triage
No
What to do now
- Find every instance of Connect Secure, Policy Secure, and ZTA Gateways you run, including the forgotten ones, and check its version against the vendor advisory.
- Apply the vendor's fix or mitigation, before April 11, 2025 if you are bound by CISA's deadline, sooner if it faces the internet.
- Assume it was tried against you already: look for signs of exploitation from the date it was added, not from the day you patched.
References
H2 Security
Not sure you are clear?
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Start freeSource: CISA Known Exploited Vulnerabilities Catalog (public domain), catalog version 2026.10.01.