Vulnerability · Published Sep 9, 2021 · Assigned by icscert
CVE-2021-38408
Critical 9.8
In plain English
A critical-severity stack buffer overflow in Advantech WebAccess. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 11.6% (higher than 96% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)11.6%top 3.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Advantech WebAccess | WebAccess: Versions 9.02 and prior |
Weakness: CWE-121
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-245-03 x_refsource_MISC