CVE-2025-22457 — Ivanti Connect Secure Stack Overflow RCE
Overview
A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.5 allows an unauthenticated remote attacker to achieve code execution. Actively exploited by UNC5221 (China-nexus).
Vulnerability details
- CVE ID
- CVE-2025-22457
- Vulnerability
- Ivanti Connect Secure Stack Overflow RCE
- Vendor
- cpe
- Affected products
- cpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:*
- Severity
- CRITICAL
- Exploitation status
- Actively exploited in the wild (CISA KEV)
- CVSS
- 9
- Published
- 2025-04-03
Remediation guidance
CVE-2025-22457 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.
Apply the vendor's official security update for cpe the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.
Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.
Authoritative references
Remediate CVE-2025-22457 — and stay ahead of the next one
CVE-2025-22457 is listed in the CISA KEV catalog as actively exploited — treat remediation as urgent. Scan your domain free to see whether CVE-2025-22457 and other cpe issues affect you and get a prioritized remediation report (full report from ₹999) — or stream the full feed of 1,600+ actively-exploited CVEs straight into your SOC.
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