Vulnerability Intelligence Report
CVE-2020-27263
KEPServerEX: v6.0 to v6.9, ThingWorx Kepware Server: v6.8 and v6.9, ThingWorx Industrial Connectivity: All versions, OPC-Aggregator: All versions, Rockwell Automation KEPServer Enterprise, GE Digital Industrial Gateway Server: v7.68.804 and v7.66, Software Toolbox TOP Server: All 6.x versions, are vulnerable to a heap-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and potentially leak data.
No Active Exploit Signals
CVSS Base Score
9.1
CRITICAL
EPSS Probability:4.94%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-122 ↗HEAP-BASED BUFFER OVERFLOW CWE-122
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| ge | industrial_gateway_server | 7.66, 7.68.804 |
| ptc | kepware_kepserverex | 6.0, 6.9 |
| ptc | opc-aggregator | all |
| ptc | thingworx_industrial_connectivity | all |
| ptc | thingworx_kepware_server | 6.8, 6.9 |
| rockwellautomation | kepserver_enterprise | 6.6.504.0, 6.9.572.0 |
| softwaretoolbox | top_server | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
4.941%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Cybersecurity and Infrastructure Security Agency (CISA) Industrial Control Systems (ICS) · CERT · USA |
| Reserved | 2020-10-19T00:00:00 |
| Published | 2021-01-13T23:30:08 |
| Last Updated | 2024-08-04T16:11:36 |
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