CVE-2018-3991
CVSS v3
9.8
CRITICAL
EPSS Score
79.3 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2019-02-05
Frequently asked questions
What is 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.
Is CVE-2018-3991 actively exploited?
Active exploitation of CVE-2018-3991 has not been confirmed. The EPSS score is 79.3%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-3991?
CVE-2018-3991 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2018-3991 affecting your environment?
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