CVE-2025-5451
A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.8 and Ivanti Policy...
A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.8 and Ivanti Policy Secure before version 22.7R1.5 allows a remote authenticated attacker with admin rights to trigger a denial of service.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.8 and Ivanti Policy Secure before version 22.7R1.5 allows a remote authenticated attacker with admin rights to trigger a denial of service.
- Record
CVE-2025-5451- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2025-20512
A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.8 and Ivanti Policy Secure before version 22.7R1.5 allows a remote authenticated attacker with admin rights to trigger a denial of service.
- Record
EUVD-2025-20512- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-83c3-4c79-gj5j
A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.8 and Ivanti Policy...
A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.8 and Ivanti Policy Secure before version 22.7R1.5 allows a remote authenticated attacker with admin rights to trigger a denial of service.
- Record
GHSA-83c3-4c79-gj5j- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-121, CWE-787
- Updated
- 2026-11-02
NVD
A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.8 and Ivanti Policy Secure before version 22.7R1.5 allows a remote authenticated attacker with admin rights to trigger a denial of service.
- Record
CVE-2025-5451- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-121, CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-5451 is a medium vulnerability (CVSS 4.9) in Ivanti Connect Secure, published July 8, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.70%, the 53rd percentile. No source names a fixed version.