Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability (CVE-2025-22457)
Severity: critical · Patch status: unknown · Since 2025-04-04 · CVE-2025-22457
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. CISA added CVE-2025-22457 to its Known Exploited Vulnerabilities catalog on Apr 4, 2025, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- Apply mitigations as set forth in the CISA instructions linked below.
- US federal agencies must remediate by Apr 11, 2025 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
