CVE-2018-6911 Command injection in n/a
Remote attackers can execute arbitrary OS commands in Advantech WebAccess via the VBWinExec function, posing a critical risk to industrial control systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-6911?
CVE-2018-6911 is a critical command injection vulnerability in Advantech Webaccess, published on 13 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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).
Weakness: CWE-78
Which versions are affected by CVE-2018-6911?
It affects 1 product.
Products include Advantech Webaccess.
How do I fix CVE-2018-6911?
No fix has been published for CVE-2018-6911 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2018-6911 being exploited?
There is no known exploitation of CVE-2018-6911 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Advantech Webaccess
- CVE-2014-9208 Multiple stack-based buffer overflows in unspecified DLL files in Advantech WebAccess before 8.0.1 allow remote attackers to execute arbitra
- CVE-2021-33023 Advantech WebAccess
- CVE-2021-38389 Advantech WebAccess
- CVE-2021-38408 Memory corruption in Advantech WebAccess
- CVE-2020-12019 Memory corruption in WebAccess Node
Sources
Also known as GHSA-r49c-w6f5-7rcw.