Buffer overflow in Advantech WebAccess - CVE-2020-12022
Published: May 11, 2020 / Updated: May 11, 2020
Vulnerability identifier: #VU27657
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-2020-12022
CWE-ID: CWE-119
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 improper array index validation within the implementation of IOCTL 0x0000521e in DATACORE.exe. A remote attacker can pass specially crafted data to the application, trigger memory corruption 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-2020-12022
Install updates from vendor's website.
Advantech WebAccess - addressed in versions 8.4.4_P0320844, 9.0.0_P0320900