Advantech Webaccess
CVE-2014-0766
HIGH
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Stack buffer bounds checking
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 1.18%. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
An attacker can exploit this vulnerability by copying an overly long NodeName2 argument into a statically sized buffer on the stack to overflow the static stack buffer. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified under CWE-121. An attacker can exploit this vulnerability by copying an overly long NodeName2 argument into a statically sized buffer on the stack to overflow the static stack buffer. An attacker may use this vulnerability to remotely execute arbitrary code. Affected products include: Advantech Advantech Webaccess.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/Au:N/C:P/I:P/A:P
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
An attacker can exploit this vulnerability by copying an overly long NodeName2 argument into a statically sized buffer on the stack to overflow the static stack buffer. An attacker may use this vulnerability to remotely execute arbitrary code.
Threat Intelligence Overview
NVD
CVE.org
EPSS
VulDB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
A stack-based buffer overflow occurs when a program writes more data to a buffer located on the stack than it was allocated to hold.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Affected Products (CPE)CVE.org
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Format string vulnerability in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute arbitrary code
Advantech/BroadWin WebAccess before 7.0 allows remote attackers to cause a denial of service (memory corruption) via a m
Buffer overflow in an ActiveX control in bwocxrun.ocx in Advantech/BroadWin WebAccess before 7.0 allows remote attackers
Stack-based buffer overflow in opcImg.asp in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute
GbScriptAddUp.asp in Advantech/BroadWin WebAccess before 7.0 does not properly perform authentication, which allows remo
upAdminPg.asp in Advantech WebAccess before 7.2 allows remote authenticated users to discover credentials by reading HTM
An attacker may pass an overly long value from the AccessCode2 argument to the control to overflow the static stack buff
An attacker may exploit this vulnerability by passing an overly long value from the AccessCode argument to the control.
To exploit this vulnerability, the attacker sends data from the GotoCmd argument to control. Rated high severity (CVSS 7
By providing an overly long string to the NodeName parameter, an attacker may be able to overflow the static stack buffe
GitHub PoC
Exploit-DB