A vulnerability was found in Advantech WebAccess up to 8.3.1 (SCADA Software). It has been declared as critical. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Advantech WebAccess 8.3.1 and earlier has an improper privilege management vulnerability, which may allow an attacker to access those files and perform actions at a system administrator level.

The bug was discovered 10/23/2018. The weakness was released 10/23/2018 with Zero Day Initiative (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2018-14828 since 08/01/2018. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 13335 (Advantech WebAccess Multiple Security Vulnerabilities).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at 125878, 125879 and 125880.

Productinfo

Type

• SCADA Software

Vendor

• Advantech

Name

• WebAccess

Version

• 8.3.0
• 8.3.1

License

• commercial

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

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• 🔍

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