Buffer overflow in Advantech Webaccess\/scada
CVE-2021-32943
The affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code on the WebAccess/SCADA (WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1).
Vulnerability class: Buffer Overflow
EPSS: 0.019 (77.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Advantech Webaccess\/scada
- N/a Webaccess/scada — versions WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-32943?
- CVE-2021-32943 is a critical-severity vulnerability in Advantech Webaccess\/scada, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2021-08-10.
- How severe is CVE-2021-32943?
- Critical severity. CVSS v3 base score is 9.8 out of 10.