Advantech WebAccess 5.0/6.0/7.0/7.1 AccessCode2 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Advantech WebAccess 5.0/6.0/7.0/7.1. It has been classified as critical. This affects an unknown function. This manipulation of the argument AccessCode2 causes memory corruption. The identification of this vulnerability is CVE-2014-0768. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Advantech WebAccess 5.0/6.0/7.0/7.1 (SCADA Software). Affected by this vulnerability is an unknown code block. The manipulation of the argument AccessCode2 with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An attacker may pass an overly long value from the AccessCode2 argument to the control to overflow the static stack buffer. The attacker may then remotely execute arbitrary code.

The weakness was shared 04/12/2014 by Andrea Micalizzi with Zero Day Initiative (Website). It is possible to read the advisory at ics-cert.us-cert.gov. This vulnerability is known as CVE-2014-0768 since 01/02/2014. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

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 13268.

The vulnerability is also documented in the databases at X-Force (92568), EUVD (EUVD-2014-0799), SecurityFocus (BID 66732†) and Vulnerability Center (SBV-44729†). The entries VDB-69323, VDB-69322, VDB-69321 and VDB-69320 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Memory corruption
CWE: CWE-119
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: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

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-2014-0768 (🔍)
GCVE (CVE): GCVE-0-2014-0768
GCVE (VulDB): GCVE-100-69319
EUVD: 🔍
X-Force: 92568
SecurityFocus: 66732 - Advantech WebAccess CVE-2014-0768 Stack-Based Buffer Overflow Vulnerability
Vulnerability Center: 44729 - Advantech/BroadWin WebAccess before 7.2 Remote Code Execution due to Buffer Overflow via AccessCode2 Argument, High

See also: 🔍

Entryinfo

Created: 03/25/2015 16:45
Updated: 05/10/2026 12:42
Changes: 03/25/2015 16:45 (68), 05/29/2017 10:27 (5), 09/19/2025 23:23 (26), 09/21/2025 12:09 (1), 05/10/2026 12:42 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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