CVE-2019-10985: Advantech WebAccess Node viewsrv Arbitrary File Deletion Vulnerability
In WebAccess/SCADA, Versions 8.3.5 and prior, a path traversal vulnerability is caused by a lack of proper validation of a user-supplied path prior to use in file operations. An attacker can leverage this vulnerability to delete files while posing as an administrator.
Other sources
This vulnerability allows remote attackers to delete arbitrary files on affected installations of Advantech WebAccess Node. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the 0x2715 IOCTL in the webvrpcs process. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to delete files under the context of Administrator.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2019-10985?
CVE-2019-10985 is a vulnerability that allows remote attackers to delete arbitrary files on affected installations of Advantech WebAccess Node.
What is the severity of CVE-2019-10985?
The severity of CVE-2019-10985 is critical, with a severity value of 9.1.
How does CVE-2019-10985 affect Advantech WebAccess?
CVE-2019-10985 affects Advantech WebAccess installations up to version 8.3.5.
Do I need authentication to exploit CVE-2019-10985?
No, authentication is not required to exploit CVE-2019-10985.
How can I fix CVE-2019-10985?
To fix CVE-2019-10985, it is recommended to update to a version of Advantech WebAccess that is not affected by the vulnerability.