Vulnerability Description
A stack-based buffer overflow vulnerability in Advantech WebAccess Versions 9.02 and prior caused by a lack of proper validation of the length of user-supplied data may allow remote code execution.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Advantech | Webaccess | <= 9.02 |
Related Weaknesses (CWE)
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-245-03Third Party AdvisoryUS Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-21-245-03Third Party AdvisoryUS Government Resource
FAQ
What is CVE-2021-38408?
CVE-2021-38408 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A stack-based buffer overflow vulnerability in Advantech WebAccess Versions 9.02 and prior caused by a lack of proper validation of the length of user-supplied data may allow remote code execution.
How severe is CVE-2021-38408?
CVE-2021-38408 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-38408?
Check the references section above for vendor advisories and patch information. Affected products include: Advantech Webaccess.