CVE-2025-22457
Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
- Critical 9.0
- Exploited: added to CISA KEV 4 Apr 2025
- Used in ransomware campaigns
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.
Key facts
- Published
- 3 Apr 2025
- Last changed
- 4 Aug 2026
- Assigned by
- ivanti
- KEV added
- 4 Apr 2025
- KEV fix due
- 11 Apr 2025
- Used in ransomware
- Yes, according to CISA
- EPSS
- 99.981% likely to be exploited in the next 30 days, higher than 99.982% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 9.0CVSS 3.1, Criticalfrom the CNA (ivanti)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
What to do
- Apply mitigations as set forth in the CISA instructions linked below.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
CAPEC-100 Overflow Buffers (CNA impact statement)
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Ivanti | Connect Secure |
|
| Ivanti | Policy Secure |
|
| Ivanti | Neurons for ZTA gateways |
|
Timeline
- 3 Apr 2025 Published
- 4 Apr 2025 CVE-2025-22457 added to CISA KEV
- 4 Apr 2025 Added to the CISA KEV catalogue