CVE-2020-16207 Information

Description

Advantech WebAccess HMI Designer Versions 2.1.9.31 and prior. Multiple heap-based buffer overflow vulnerabilities may be exploited by opening specially crafted project files that may overflow the heap which may allow remote code execution disclosure/modification of information or cause the application to crash.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://us-cert.cisa.gov/ics/advisories/icsa-20-219-02 https://www.zerodayinitiative.com/advisories/ZDI-20-950/ https://www.zerodayinitiative.com/advisories/ZDI-20-951/ https://www.zerodayinitiative.com/advisories/ZDI-20-955/ https://www.zerodayinitiative.com/advisories/ZDI-20-958/ https://www.zerodayinitiative.com/advisories/ZDI-20-959/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8