CVE-2018-18999
WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1. Lack of proper...
WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1. Lack of proper validation of user supplied input may allow an attacker to cause the overflow of a buffer on the stack.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
NVD Score used
WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1. Lack of proper validation of user supplied input may allow an attacker to cause the overflow of a buffer on the stack.
- Record
CVE-2018-18999- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20, CWE-787
- Updated
- 2026-11-02
CVE List No score
WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1. Lack of proper validation of user supplied input may allow an attacker to cause the overflow of a buffer on the stack.
- Record
CVE-2018-18999- Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2018-10703 No score
WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1. Lack of proper validation of user supplied input may allow an attacker to cause the overflow of a buffer on the stack.
- Record
EUVD-2018-10703- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q9q3-g4f5-x6g7
WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1. Lack of proper...
WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1. Lack of proper validation of user supplied input may allow an attacker to cause the overflow of a buffer on the stack.
- Record
GHSA-q9q3-g4f5-x6g7- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-18999 is a high vulnerability (CVSS 7.3) in Advantech Webaccess/scada, published December 19, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.31%, the 83rd percentile. No source names a fixed version.