#VU44235 Improper Authentication in Advantech WebAccess - CVE-2012-0239

Vulnerability identifier: #VU44235

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-0239

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 manipulate data.

uaddUpAdmin.asp in Advantech/BroadWin WebAccess before 7.0 does not properly perform authentication, which allows remote attackers to modify an administrative password via a password-change request.

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.