Detections
Analytics

CVE-2020-12002

critical

Description

Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple stack-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.

References

https://www.zerodayinitiative.com/advisories/ZDI-20-634/

https://www.zerodayinitiative.com/advisories/ZDI-20-633/

https://www.zerodayinitiative.com/advisories/ZDI-20-625/

https://www.zerodayinitiative.com/advisories/ZDI-20-624/

https://www.zerodayinitiative.com/advisories/ZDI-20-622/

https://www.zerodayinitiative.com/advisories/ZDI-20-619/

https://www.zerodayinitiative.com/advisories/ZDI-20-592/

https://www.zerodayinitiative.com/advisories/ZDI-20-591/

https://www.zerodayinitiative.com/advisories/ZDI-20-590/

https://www.us-cert.gov/ics/advisories/icsa-20-128-01

Details

Source: Mitre, NVD

Published: 2020-05-08

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.09076