#VU44236 Improper Authentication in Advantech WebAccess - CVE-2012-0240

Vulnerability identifier: #VU44236

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2012-0240

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Advantech WebAccess
Server applications / SCADA systems

Vendor: Advantech Co., Ltd

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

GbScriptAddUp.asp in Advantech/BroadWin WebAccess before 7.0 does not properly perform authentication, which allows remote attackers to execute arbitrary code via unspecified vectors.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Advantech WebAccess: 5.0

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External links
https://www.securityfocus.com/bid/52051
https://www.us-cert.gov/control_systems/pdf/ICSA-12-047-01.pdf

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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.