CVE-2018-14820 Path traversal in Advantech WebAccess
Attackers can delete arbitrary files in Advantech WebAccess via path traversal, impacting industrial control system integrity.
- 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-2018-14820?
CVE-2018-14820 is a high-severity path traversal vulnerability in Advantech Webaccess, published on 23 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Advantech WebAccess 8.3.1 and earlier has a .dll component that is susceptible to external control of file name or path vulnerability, which may allow an arbitrary file deletion when processing.
Which versions are affected by CVE-2018-14820?
It affects 1 product.
Products include Advantech Webaccess.
How do I fix CVE-2018-14820?
No fix has been published for CVE-2018-14820 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2018-14820 being exploited?
There is no known exploitation of CVE-2018-14820 in the wild and no public exploit code.
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-r462-fg2q-22pg.