CVEs / CVE-2025-22457
CVE-2025-22457: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
- Known exploited in the CISA KEV catalog since 4 Apr 2025
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 99.9% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
Are you affected? Check your servers with Stackurity: it lists the software on each server and the vulnerabilities to fix first.
Check your servers with Stackurity Already using Stackurity? Search for CVE-2025-22457
Summary
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.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| ivanti connect secure | before 22.7 | 22.7 |
| ivanti connect secure | 22.7 | — |
| ivanti policy secure | before 22.7 | 22.7 |
| ivanti policy secure | 22.7 | — |
| ivanti zero trust access gateway | before 22.8 | 22.8 |
| ivanti zero trust access gateway | 22.8 | — |
Exploitation
| In CISA KEV since | 4 Apr 2025 |
|---|---|
| Due date for US federal agencies | 11 Apr 2025 |
| Used in ransomware campaigns | Known |
| Required action | Apply mitigations as set forth in the CISA instructions linked below. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-121, CWE-787 |
References
- CVE-2025-22457 on NVD
- CVE-2025-22457 in the CISA KEV catalog
- https://www.cisa.gov/cisa-mitigation-instructions-cve-2025-22457 (cited by CISA)
- https://forums.ivanti.com/s/article/April-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-22457 (cited by CISA)
- https://forums.ivanti.com/s/article/April-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-22457 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-22457 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.