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CVE-2018-3989

An exploitable kernel memory disclosure vulnerability exists in the 0x8200E804 IOCTL handler functionality of WIBU-SYSTEMS WibuKey.sys…

Medium4.3EPSS 0.57%
Published
Updated
Reserved
Assigned by
talos

Description

An exploitable kernel memory disclosure vulnerability exists in the 0x8200E804 IOCTL handler functionality of WIBU-SYSTEMS WibuKey.sys Version 6.40 (Build 2400).A specially crafted IRP request can cause the driver to return uninitialized memory, resulting in kernel memory disclosure. An attacker can send an IRP request to trigger this vulnerability.

Scores

CVSS scores of CVE-2018-3989, by who scored it
Scored byCVSSScoreVector
talosCNA (assigner)3.0Medium4.3CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
NVDNVD · Modified3.0Medium5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
0.57% · top 53% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

Affected products

  • n/a

    • affected n/a

References (5)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .