CVEs / CVE-2025-0282
CVE-2025-0282: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
- Known exploited in the CISA KEV catalog since 8 Jan 2025
- critical 9 CVSS 3.1 (NVD)
- EPSS 99.9% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
Are you affected? Check your servers with Stackurity: it lists the software on each server and the vulnerabilities to fix first.
Check your servers with Stackurity Already using Stackurity? Search for CVE-2025-0282
Summary
Ivanti Connect Secure, Policy Secure, and ZTA Gateways contain a stack-based buffer overflow which can lead to unauthenticated remote code execution.
Description
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Ivanti Connect Secure | from 22.7R2, up to and including 22.7R2.4 | — |
| Ivanti Policy Secure | from 22.7R1, up to and including 22.7R1.2 | — |
| Ivanti Neurons for ZTA gateways | from 22.7R2, up to and including 22.7R2.3 | — |
Exploitation
| In CISA KEV since | 8 Jan 2025 |
|---|---|
| Due date for US federal agencies | 15 Jan 2025 |
| Used in ransomware campaigns | Known |
| Required action | 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. |
Severity
| CVSS 3.1 | 9 criticalCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-121, CWE-787 |
References
- CVE-2025-0282 on NVD
- CVE-2025-0282 in the CISA KEV catalog
- https://www.cisa.gov/cisa-mitigation-instructions-CVE-2025-0282 (cited by CISA)
- https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-0282-CVE-2025-0283 (cited by CISA)
- https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-0282-CVE-2025-0283 Vendor Advisory
- https://cloud.google.com/blog/topics/threat-intelligence/ivanti-connect-secure-vpn-zero-day Exploit, Technical Description
- https://www.cisa.gov/cisa-mitigation-instructions-cve-2025-0282 Third Party Advisory, US Government Resource
- https://github.com/sfewer-r7/CVE-2025-0282 Exploit
- https://labs.watchtowr.com/exploitation-walkthrough-and-techniques-ivanti-connect-secure-rce-cve-2025-0282/ Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-0282 US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-0282 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.