#VU27654 SQL injection in Advantech WebAccess - CVE-2020-12014

Vulnerability identifier: #VU27654

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-12014

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Advantech WebAccess
Server applications / SCADA systems

Vendor: Advantech Co., Ltd

Description

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data within the implementation of IOCTL 0x00013c76 and IOCTL 0x00013c77 in BwWebSvc.dll. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to disclose stored credentials, leading to further compromise.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Advantech WebAccess: 6.0-2007.06.05 - 9.0.0

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External links
https://www.zerodayinitiative.com/advisories/ZDI-20-615/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.