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.
Conclusion & alert: CVE-2025-22457 is rated Critical Active Threat (100/100): CVSS Critical severity, with high exploitation likelihood (EPSS 99.96%, 100th percentile). Core evidence: CISA KEV confirms active exploitation (added 2025-04-04) affecting Ivanti / Connect Secure, Policy Secure, and ZTA Gateways. a weakness (CWE-121) Unauthenticated remote administrative access may be possible. EPSS rose +44.06% over the last day, indicating growing attacker interest. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability · CISA KEV detail
: 2025-04-04
: 2025-04-11
: Apply mitigations as set forth in the CISA instructions linked below.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 55.90% | 99.96% | +44.06% |
| 2 | 2026-06-14 | 58.94% | 55.90% | -3.04% |
| 3 | 2026-06-06 | — | 58.94% | — |
Full EPSS history (70 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.0 | 3.1 | CRITICAL |
|
2.2 | 6.0 | 3c1d8aa1-5a33-4ea4-8992-aadd6440af75 |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ivanti | connect_secure | < 22.7 | cpe:2.3:a:ivanti:connect_secure:*:-:*:*:*:*:*:* |
| ivanti | connect_secure | 22.7 | cpe:2.3:a:ivanti:connect_secure:22.7:-:*:*:*:*:*:* |
| ivanti | connect_secure | 22.7 | cpe:2.3:a:ivanti:connect_secure:22.7:r1:*:*:*:*:*:* |
| ivanti | connect_secure | 22.7 | cpe:2.3:a:ivanti:connect_secure:22.7:r1.1:*:*:*:*:*:* |
| ivanti | connect_secure | 22.7 | cpe:2.3:a:ivanti:connect_secure:22.7:r1.2:*:*:*:*:*:* |
| ivanti | connect_secure | 22.7 | cpe:2.3:a:ivanti:connect_secure:22.7:r1.3:*:*:*:*:*:* |
| ivanti | connect_secure | 22.7 | cpe:2.3:a:ivanti:connect_secure:22.7:r1.4:*:*:*:*:*:* |
| ivanti | connect_secure | 22.7 | cpe:2.3:a:ivanti:connect_secure:22.7:r1.5:*:*:*:*:*:* |
| ivanti | connect_secure | 22.7 | cpe:2.3:a:ivanti:connect_secure:22.7:r2:*:*:*:*:*:* |
| ivanti | connect_secure | 22.7 | cpe:2.3:a:ivanti:connect_secure:22.7:r2.1:*:*:*:*:*:* |
| ivanti | connect_secure | 22.7 | cpe:2.3:a:ivanti:connect_secure:22.7:r2.2:*:*:*:*:*:* |
| ivanti | connect_secure | 22.7 | cpe:2.3:a:ivanti:connect_secure:22.7:r2.3:*:*:*:*:*:* |
| ivanti | connect_secure | 22.7 | cpe:2.3:a:ivanti:connect_secure:22.7:r2.4:*:*:*:*:*:* |
| ivanti | connect_secure | 22.7 | cpe:2.3:a:ivanti:connect_secure:22.7:r2.5:*:*:*:*:*:* |
| ivanti | policy_secure | < 22.7 | cpe:2.3:a:ivanti:policy_secure:*:-:*:*:*:*:*:* |
| ivanti | policy_secure | 22.7 | cpe:2.3:a:ivanti:policy_secure:22.7:-:*:*:*:*:*:* |
| ivanti | policy_secure | 22.7 | cpe:2.3:a:ivanti:policy_secure:22.7:r1:*:*:*:*:*:* |
| ivanti | policy_secure | 22.7 | cpe:2.3:a:ivanti:policy_secure:22.7:r1.1:*:*:*:*:*:* |
| ivanti | policy_secure | 22.7 | cpe:2.3:a:ivanti:policy_secure:22.7:r1.2:*:*:*:*:*:* |
| ivanti | policy_secure | 22.7 | cpe:2.3:a:ivanti:policy_secure:22.7:r1.3:*:*:*:*:*:* |
| ivanti | zero_trust_access_gateway | < 22.8 | cpe:2.3:a:ivanti:zero_trust_access_gateway:*:*:*:*:*:*:*:* |
| ivanti | zero_trust_access_gateway | 22.8 | cpe:2.3:a:ivanti:zero_trust_access_gateway:22.8:-:*:*:*:*:*:* |
| ivanti | zero_trust_access_gateway | 22.8 | cpe:2.3:a:ivanti:zero_trust_access_gateway:22.8:r2.1:*:*:*:*:*:* |