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
Published Feb 5, 2019
5.5
MEDIUMCVSS 3.0
EPSS 0.57%
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1 other source (CVE.org) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
AV:L/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.57% (0.00570) | 45.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.57% (0.00570) | 42.46th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.15% (0.00146) | 32.49th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00096) | 41.91th | v3 (v2023.03.01) |
| Jan 30, 2024 | 0.10% (0.00096) | 39.75th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00088) | 36.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
| Feb 3, 2022 | 12.62% (0.12615) | 88.88th | v1 |
| Jan 6, 2022 | 12.62% (0.12615) | 88.74th | v1 |
| Sep 1, 2021 | 12.62% (0.12615) | 95.93th | v1 |
| Apr 14, 2021 | 12.62% (0.12615) | 0.00th | v1 |
References (5)
- http://www.securityfocus.com/bid/107005 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdf x_refsource_CONFIRMThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdf x_refsource_CONFIRMThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf x_refsource_CONFIRM
- https://talosintelligence.com/vulnerability_reports/TALOS-2018-0657 x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/107005 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdf | x_refsource_CONFIRMThird Party Advisory | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdf | x_refsource_CONFIRMThird Party Advisory | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf | x_refsource_CONFIRM | |
| https://talosintelligence.com/vulnerability_reports/TALOS-2018-0657 | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.