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9.8

Advantech WebAccess 8.3.0 lets remote attackers run commands

CVE-2018-6911 · published 8 years ago
Summary

The WebAccess software version 8.3.0 contains a function that can be tricked into running any command on the server. An attacker on the network could cause the system to execute harmful actions, such as installing malware or stealing data. Update to a newer, patched version or apply the vendor's recommended mitigation as soon as possible.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
advantech webaccess 8.3.0
cpe:2.3:a:advantech:webaccess:8.3.0:*:*:*:*:*:*:*
Original advisory text
The VBWinExec function in Node\AspVBObj.dll in Advantech WebAccess 8.3.0 allows remote attackers to execute arbitrary OS commands via a single argument (aka the command parameter).
The VBWinExec function in Node\AspVBObj.dll in Advantech WebAccess 8.3.0 allows remote attackers to execute arbitrary OS commands via a single argument (aka the command parameter).
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
9.8 Critical
Exploitation
13% chance of attack within 30 days
Type
CWE-78OS Command Injection
Timeline
Published13 Feb 2018
Updated20 Oct 2026
First seen29 Sep 2026
Sources
CVE-2018-6911 · NVD
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