CVE-2021-32943
Last modified
CVE-2021-32943 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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).. EPSS estimates a 1.87% chance of exploitation in the next 30 days.
Description
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).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Advantech | Webaccess\/Scada | < 8.4.5 |
| Advantech | Webaccess\/Scada | >= 9.0, < 9.0.1 |
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04Third Party Advisory, US Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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