# CVE-2025-22457: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability

> CVE-2025-22457: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability. CVSS 9.0 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2025-22457
Last updated: 2026-08-04T05:16:33Z

- Published: 2025-04-03 15:20 UTC · Updated: 2026-08-04 05:16 UTC · Assigner: ivanti
- CVSS: 9.0 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS: 100.0%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2025-04-04, federal due date 2025-04-11, ransomware use: Known
- CWE: CWE-121

## 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.

## CISA required action

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

## Affected vendors and products

- Ivanti: Connect Secure
- Ivanti: Neurons for ZTA gateways
- Ivanti: Policy Secure

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-22457)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-22457)
- [https://forums.ivanti.com/s/article/April-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-22457](https://forums.ivanti.com/s/article/April-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-22457)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2025-22457 · Markdown: https://rewindex.com/cve/CVE-2025-22457.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-22457 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:16:00.211Z