#VU27650 Path traversal in Advantech WebAccess - CVE-2020-12026

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Main Vulnerability Database Vulnerabilities #VU27650

#VU27650 Path traversal in Advantech WebAccess - CVE-2020-12026

Published: May 11, 2020 / Updated: May 11, 2020


Vulnerability identifier: #VU27650
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-12026
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Advantech WebAccess
Software vendor:
Advantech Co., Ltd

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error within the implementation of IOCTL 0x0000277d in ViewSrv.dll. A remote attacker can pass specially crafted data to the application and overwrite arbitrary files on the system.


Remediation

Install update from vendor's website.

External links