Vulnerability Intelligence Report
CVE-2021-33485
CODESYS Control Runtime system before 3.5.17.10 has a Heap-based Buffer Overflow.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:1.14%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| No affected products specified. | ||
Threat Intelligence Signals
EPSS Score
1.144%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2021-05-21T00:00:00 |
| Published | 2021-08-03T15:44:56 |
| Last Updated | 2026-05-29T14:02:56 |
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