Vulnerability Intelligence Report
CVE-2018-3991
An exploitable heap overflow vulnerability exists in the WkbProgramLow function of WibuKey Network server management, version 6.40.2402.500. A specially crafted TCP packet can cause a heap overflow, potentially leading to remote code execution. An attacker can send a malformed TCP packet to trigger this vulnerability.
No Active Exploit Signals
CVSS Base Score
10.0
CRITICAL
Exploitability:3.9
Impact Score:6.1
EPSS Probability:34.33%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| wibu | wibukey | 6.40.2402.500 |
| microsoft | windows | all |
| siemens | simatic_wincc_open_architecture | 3.14, 3.15, 3.16 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
34.329%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Talos · Researcher · USA |
| Reserved | 2018-01-02T00:00:00 |
| Published | 2019-02-05T22:00:00 |
| Patch Date | 2018-01-28 |
| Last Updated | 2024-08-05T04:57:24 |
Community Chatter & Buzz