CVE-2021-32943
CRITICAL
9.8
CVSS Score
Published: August 10, 2021 at 02:03 PM UTC
Updated: June 17, 2026 at 03:53 AM UTC
1 product affected across 1 vendorWebAccess/SCADA
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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 8.4.59.0 ≤ v < 9.0.1
Affected range stops below 8.4.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.0.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
x_refsource_MISCThird Party AdvisoryUS Government Resource
Source: [email protected]
https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-121CWE-787
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