# Ivanti Connect Secure, Policy Secure, and ZTA Gateways: Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability · pwn.watch

> 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. Added to CISA KEV on 2025-04-04.

Page: https://pwn.watch/i/ivanti-connect-secure-policy-secure-and-zta-gateways-cve-2025-22457 · generated 2026-10-22T21:47:37.879Z

## Status
- Severity: critical · status: closed · patch: patched
- Product: Ivanti Connect Secure, Policy Secure, and ZTA Gateways
- Started: 2025-04-04 · closed: 2025-04-04
- CVEs: CVE-2025-22457
- Affected: See vendor advisory / CISA notes (versions not always listed in KEV feed)
- Fixed in: See vendor advisory linked in sources

## Follow this incident
- RSS (one item per update): https://pwn.watch/i/ivanti-connect-secure-policy-secure-and-zta-gateways-cve-2025-22457/feed.xml
- JSON Feed: https://pwn.watch/i/ivanti-connect-secure-policy-secure-and-zta-gateways-cve-2025-22457/feed.json
- Full data (timeline, sources, posts, agentBrief): https://pwn.watch/i/ivanti-connect-secure-policy-secure-and-zta-gateways-cve-2025-22457.json
- This file: https://pwn.watch/i/ivanti-connect-secure-policy-secure-and-zta-gateways-cve-2025-22457/llms.txt

## Updates (newest first)
- 2025-04-04: CISA added CVE-2025-22457 to the KEV catalog (due 2025-04-11).

## Fix brief
# Security brief: Ivanti Connect Secure, Policy Secure, and ZTA Gateways: Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability

Source: https://pwn.watch/i/ivanti-connect-secure-policy-secure-and-zta-gateways-cve-2025-22457 · status: closed (closed Apr 4, 2025) · severity: critical · updated Apr 4, 2025

## Patch status
**PATCHED: fixed releases exist. Upgrade to a fixed version.**

## 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. Added to CISA KEV on 2025-04-04.

Severity detail: CVSS 9.0 (CNA, v3.1); actively exploited (CISA KEV); known ransomware use

- Product: Ivanti Connect Secure, Policy Secure, and ZTA Gateways
- CVE / advisory ids: CVE-2025-22457

## Affected versions
- See vendor advisory / CISA notes (versions not always listed in KEV feed)

## Check whether you're affected
No generic command applies (the product is a hosted service, appliance or desktop app). Check the installed version in its admin UI / About screen and compare with the versions above.

## Fix
Upgrade to one of these fixed versions (or later on the same branch):
- See vendor advisory linked in sources

After upgrading, re-run the checks above and redeploy/restart the affected services.

## Latest updates
- Apr 4, 2025: CISA added CVE-2025-22457 to the KEV catalog (due 2025-04-11).

## Advisories
- [CISA guidance: Ivanti Connect Secure, Policy Secure, and ZTA Gateways](https://www.cisa.gov/cisa-mitigation-instructions-cve-2025-22457) (CISA)
- [Ivanti advisory: Ivanti Connect Secure, Policy Secure, and ZTA Gateways](https://forums.ivanti.com/s/article/April-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-22457) (Ivanti)
- [NVD: CVE-2025-22457](https://nvd.nist.gov/vuln/detail/CVE-2025-22457) (NVD)
- [CISA Known Exploited Vulnerabilities Catalog](https://www.cisa.gov/known-exploited-vulnerabilities-catalog) (CISA)

## Caveats
Derived from CISA KEV JSON feed catalogVersion 2026.10.21. CVSS from the CVE record (cvelistV5). Exact affected/fixed version strings are not always in the KEV record; verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier; many entries are older CVEs newly confirmed as exploited in 2025).

---
Machine-readable: https://pwn.watch/i/ivanti-connect-secure-policy-secure-and-zta-gateways-cve-2025-22457.json · all incidents: https://pwn.watch/incidents.json. Verify against the vendor advisory before changing production systems.