Advantech WebAccess 5.0/6.0/7.0/7.1 ActiveX Control bwocxrun.ocx information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Advantech WebAccess 5.0/6.0/7.0/7.1. It has been rated as problematic. Affected is an unknown function of the file bwocxrun.ocx of the component ActiveX Control. Performing a manipulation results in information disclosure. This vulnerability is identified as CVE-2014-0771. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Advantech WebAccess 5.0/6.0/7.0/7.1 (SCADA Software). This affects an unknown function of the file bwocxrun.ocx of the component ActiveX Control. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

The BWOCXRUN.BwocxrunCtrl.1 control contains a method named “OpenUrlToBuffer.” This method takes a URL as a parameter and returns its contents to the caller in JavaScript. The URLs are accessed in the security context of the current browser session. The control does not perform any URL validation and allows “file://” URLs that access the local disk. The method can be used to open a URL (including file URLs) and read file URLs through JavaScript. This method could also be used to reach any arbitrary URL to which the browser has access.

The weakness was released 04/12/2014 by Andrea Micalizzi with Zero Day Initiative (Website). The advisory is shared at ics-cert.us-cert.gov. This vulnerability is uniquely identified as CVE-2014-0771 since 01/02/2014. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 122001 (Advantech WebAccess Multiple Vulnerabilities).

Upgrading to version 5.0 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 13453.

The vulnerability is also documented in the databases at X-Force (92570), EUVD (EUVD-2014-0802), SecurityFocus (BID 66750†) and Vulnerability Center (SBV-44731†). Entries connected to this vulnerability are available at VDB-69323, VDB-69322, VDB-69320 and VDB-69319. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 802155
OpenVAS Name: Advantech WebAccess Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WebAccess 5.0
TippingPoint: 🔍

Timelineinfo

01/02/2014 🔍
04/08/2014 +96 days 🔍
04/08/2014 +0 days 🔍
04/12/2014 +4 days 🔍
04/12/2014 +0 days 🔍
06/02/2014 +51 days 🔍
03/25/2015 +296 days 🔍
05/10/2026 +4064 days 🔍

Sourcesinfo

Vendor: advantech.com

Advisory: ics-cert.us-cert.gov
Researcher: Andrea Micalizzi
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2014-0771 (🔍)
GCVE (CVE): GCVE-0-2014-0771
GCVE (VulDB): GCVE-100-69321
EUVD: 🔍
X-Force: 92570
SecurityFocus: 66750 - Advantech WebAccess CVE-2014-0771 Information Disclosure Vulnerability
Vulnerability Center: 44731 - Advantech/BroadWin WebAccess before 7.2 Remote Information Disclosure in BWOCXRUN.BwocxrunCtrl.1 ActiveX Control OpenUrlToBuffer, Medium

See also: 🔍

Entryinfo

Created: 03/25/2015 16:45
Updated: 05/10/2026 12:42
Changes: 03/25/2015 16:45 (66), 05/29/2017 10:28 (5), 09/19/2025 23:23 (26), 09/21/2025 06:36 (1), 05/10/2026 12:42 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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