Advantech WebAccess 5.0/6.0/7.0/7.1 Username 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 declared as critical. This impacts an unknown function. Such manipulation of the argument Username leads to memory corruption. This vulnerability is referenced as CVE-2014-0770. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Advantech WebAccess 5.0/6.0/7.0/7.1 (SCADA Software). Affected by this issue is some unknown processing. The manipulation of the argument UserName with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

By providing an overly long string to the UserName parameter, an attacker may be able to overflow the static stack buffer. The attacker may then execute code on the target device remotely.

The weakness was published 04/12/2014 by Andrea Micalizzi with Zero Day Initiative (Website). The advisory is shared for download at ics-cert.us-cert.gov. This vulnerability is handled as CVE-2014-0770 since 01/02/2014. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

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 (92569), EUVD (EUVD-2014-0801), SecurityFocus (BID 66733†) and Vulnerability Center (SBV-44730†). Similar entries are available at VDB-69323, VDB-69322, VDB-69321 and VDB-69319. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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-2014-0770 (🔍)
GCVE (CVE): GCVE-0-2014-0770
GCVE (VulDB): GCVE-100-69320
EUVD: 🔍
X-Force: 92569
SecurityFocus: 66733 - Advantech WebAccess CVE-2014-0770 Stack-Based Buffer Overflow Vulnerability
Vulnerability Center: 44730 - Advantech/BroadWin WebAccess before 7.2 Remote Code Execution due to Buffer Overflow via UserName Parameter, High

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 (7), 09/19/2025 23:23 (26), 09/21/2025 06:36 (1), 05/10/2026 12:42 (1)
Complete: 🔍
Cache ID: 216::103

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