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.
References (7)
Core 7
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://www.us-cert.gov/ics/advisories/icsa-20-128-01
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-599/
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-593/
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-600/
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-603/
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-616/
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-621/
Scores
CVSS v3
9.8
EPSS
0.2672
EPSS Percentile
96.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-122
CWE-787
Status
published
Products (2)
advantech/webaccess
9.0.0
advantech/webaccess
< 8.4.4
Published
May 08, 2020
Tracked Since
Feb 18, 2026