Description · from the CVE record

Advantech WebAccess versions 9.02 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.

Affected

ProductAffectedFixed inSource
WebAccessAll – 9.02–CNA

Scores by source

icscert (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refus-cert.cisa.gov/ics/advisories/icsa-21-285-02