Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.5, Ivanti Policy Secure before version 22.7R1.2, and Ivanti Neurons for ZTA gateways before version 22.7R2.3 allows a remote unauthenticated attacker to achieve remote code execution.
What happened
A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.5, Ivanti Policy Secure before version 22.7R1.2, and Ivanti Neurons for ZTA gateways before version 22.7R2.3 allows a remote unauthenticated attacker to achieve remote code execution.
CISA lists it as exploited, added 08 Jan 2025.
Does it affect you
Names Ivanti Connect Secure. Enter the product and version you run to place it against the affected range the vendor published.
What to do
- Follow the vendor advisory for the fixed release and any interim mitigation.
forums.ivanti.com - Apply mitigations as set forth in the CISA instructions linked below to include conducting hunt activities, taking remediation actions if applicable, and applying updates prior to returning a device to service.
cisa.gov
CISA’s notes for this entry:
- CISA Mitigation Instructions: cisa.gov/cisa-mitigation-instructions-CVE-2025-0282
- nvd.nist.gov/vuln/detail/CVE-2025-0282
Affected, as published to NVD
- ivanti-cs
- Ivanti Connect Secure: exactly 22.7
The record
- NVD status
- Analyzed
- Published
- 08 Jan 2025, last modified 01 Oct 2026 (NVD)
- Severity
- CVSS 3.1 base score 9.0, Critical — computed here from the vector; NVD states 9.0.
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weakness
- CWE-121 Stack-based Buffer Overflow, CWE-787 Out-of-bounds Write (NVD; names by MITRE)
- Exploitation
- Listed in CISA’s Known Exploited Vulnerabilities catalogue since 08 Jan 2025; federal remediation due 15 Jan 2025. CISA records known use in ransomware campaigns. CISA entry
- Exploit probability
- EPSS 100.0%, 100th percentile — FIRST, scored 23 Oct 2026. FIRST EPSS
- Vendor
- Ivanti · Connect Secure, Policy Secure, and ZTA Gateways (CISA)
References on the NVD record
- forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-0282-CVE-2025-0283Vendor Advisory
- cisa.gov/cisa-mitigation-instructions-cve-2025-0282Third Party AdvisoryUS Government Resource
- labs.watchtowr.com/exploitation-walkthrough-and-techniques-ivanti-connect-secure-rce-cve-2025-0282/ExploitThird Party Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-0282US Government Resource
- cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-0282US Government Resource
- cloud.google.com/blog/topics/threat-intelligence/ivanti-connect-secure-vpn-zero-dayExploitTechnical Description
- github.com/sfewer-r7/CVE-2025-0282Exploit
Sources
The verdict above is computed from the products and versions you entered and the affected ranges the vendor published to NVD. It does not inspect your environment, and this site never reports a product as unaffected: why.