Vulnerability · Published Oct 18, 2021 · Assigned by icscert
CVE-2021-38389Advantech WebAccess
Critical 9.8
In plain English
A critical-severity stack buffer overflow in WebAccess from Advantech. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 10.4% (higher than 96% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)10.4%top 4.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Advantech WebAccess versions 9.02 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute code.
Affected products (as reported)
Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-285-02 x_refsource_MISC