Vulnerability · Published Aug 10, 2021 · Assigned by icscert
CVE-2021-32943
Critical 9.8
In plain English
A critical-severity stack buffer overflow in WebAccess/SCADA. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 79% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.9%top 20.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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).
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | WebAccess/SCADA | WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1 |
Weakness: CWE-121
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04 x_refsource_MISC