Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
Ivanti — Connect Secure
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.
9.0
100.0%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- Published
- Apr 3, 2025
- Modified
- Aug 4, 2026
- Added to KEV
- Apr 4, 2025
- Federal patch due
- Apr 11, 2025
CISA required action
Apply mitigations as set forth in the CISA instructions linked below.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2025-22457, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit — cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2025-22457 were found at last check. Absence here is not proof no exploit exists — see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is CVE-2025-22457?
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.
How severe is CVE-2025-22457?
CVE-2025-22457 has a CVSS base score of 9.0 out of 10 (CVSS 3.1).
Is CVE-2025-22457 actively exploited in the wild?
Yes. CVE-2025-22457 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Apr 4, 2025, meaning CISA has confirmed evidence of active exploitation. It is also flagged as used in ransomware campaigns.
What is the EPSS score for CVE-2025-22457?
100.0% - meaning FIRST.org's EPSS model estimates a 100.0% probability this vulnerability will be exploited in the wild within 30 days (100% percentile among all scored CVEs).
What type of vulnerability is CVE-2025-22457?
CVE-2025-22457 is classified under CWE-121 (CWE-121 Stack-based Buffer Overflow).
Cross-checked against
Impactr finds and proves whether CVE-2025-22457 — or flaws like it — are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.