On 2025-04-04, CISA added CVE-2025-22457 (Ivanti Connect Secure, Policy Secure, and ZTA Gateways) to its Known Exploited Vulnerabilities (KEV) Catalog [2]. The vulnerability is listed in the catalog as "Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability" [2]. CISA requires remediation in accordance with vendor mitigation instructions; see the original text in the body for specific requirements [2].
Backfill: this event became public on Apr 4, 2025 and we added it on Nov 10, 2026. It is not a new event.
CISA Adds Ivanti Connect Secure, Policy Secure, and ZTA Gateways Vulnerability CVE-2025-22457 to Known Exploited Vulnerabilities Catalog
1 min read
- Disclosed
- Apr 4, 2025
- Published
- Nov 10, 2026
- Last updated
- Nov 8, 2026
- CVSS basis
- Our assessment
- 100%, higher than 100% of CVEs
- Exploitation and patch status
- ExploitedKEV
- Attack vector
- Vulnerability status
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Government, Cross-industry
What to do nowOur advice
CISA requires remediation in accordance with vendor mitigation instructions; see the original text in the body for specific requirements [2]
Timeline
Technical details
CISA KEV Listing Record
On 2025-04-04, CISA added CVE-2025-22457 to the catalog for Ivanti Connect Secure, Policy Secure, and ZTA Gateways [2].
Original Technical Description
Ivanti Connect Secure, Policy Secure, and ZTA Gateways contains a stack-based buffer overflow vulnerability that allows a remote unauthenticated attacker to achieve . [2]
Official Requirements
Apply mitigations as set forth in the CISA instructions linked below. [2]
Individual Vulnerability Record
The U.S. National Vulnerability Database (NVD) provides an independent vulnerability record and description for CVE-2025-22457. [1]
References
Official / primary3
- [1]
“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.”
- [2]
This site aggregates public information and is not security consulting advice. Test remediation steps before applying.