Stack-based buffer overflow in Advantech WebAccess - CVE-2020-12002
Published: May 11, 2020 / Updated: May 11, 2020
Vulnerability identifier: #VU27639
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2020-12002
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the BwBacNetJ driver. A remote unauthenticated attacker can pass specially crafted data to the application, trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Advantech WebAccess
How to mitigate CVE-2020-12002
Install updates from vendor's website.
Advantech WebAccess - addressed in versions 8.4.4_P0320844, 9.0.0_P0320900