CVE-2020-10638 Information

Description

Advantech WebAccess Node Version 8.4.4 and prior Version 9.0.0. Multiple heap-based buffer overflow vulnerabilities exist caused by a lack of proper validation of the length of user-supplied data which may allow remote code execution.

CVSS Vector

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

Reference

https://www.us-cert.gov/ics/advisories/icsa-20-128-01 https://www.zerodayinitiative.com/advisories/ZDI-20-593/ https://www.zerodayinitiative.com/advisories/ZDI-20-599/ https://www.zerodayinitiative.com/advisories/ZDI-20-600/ https://www.zerodayinitiative.com/advisories/ZDI-20-603/ https://www.zerodayinitiative.com/advisories/ZDI-20-616/ https://www.zerodayinitiative.com/advisories/ZDI-20-621/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8