CVE-2018-8841 Privilege escalation in WebAccess
An authenticated user can improperly modify files in Advantech WebAccess SCADA software, violating intended read-only access controls.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-8841?
CVE-2018-8841 is a high-severity vulnerability in Advantech Webaccess, published on 15 May 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, an improper privilege management vulnerability may allow an authenticated user to modify files when read access should only be given to the user.
Weakness: CWE-269
Which versions are affected by CVE-2018-8841?
It affects 4 products.
Products include Advantech Webaccess, Advantech Webaccess\/Nms, Advantech Webaccess Dashboard, Advantech Webaccess Scada.
How do I fix CVE-2018-8841?
No fix has been published for CVE-2018-8841 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-8841 being exploited?
There is no known exploitation of CVE-2018-8841 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-5rwg-3977-9qwq.