Skip to main content
No exploitation reportedFix available

CVE-2018-3989

No exploitation reported by the sources we read.

  • Published2019-02-05
  • WeaknessCWE-908

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2019-02-0523:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-3989?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-3989?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Wibu wibukeyversion to verify
BranchAffectedFixed in
6.40= 6.40no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-19-043-03 CISA9 known affected

    WIBU SYSTEMS AG WibuKey Digital Rights Management (Update D)

    Siemens SICAM 230: All Versions 7.20 and prior · 3.16: All versions prior to vP007 · Siemens SISHIP EMCS IMAC IPMS: All versions · +6 more

Full record on NVD

Fix

  1. Vendor fix CISA ICSA-19-043-03 · 9 productsUpdated Wibu Systems Software can be found at the following link:
  2. Vendor fix CISA ICSA-19-043-03 · 9 productshttps://www.wibu.com/support/user/downloads-user-software.html
  3. Vendor fix CISA ICSA-19-043-03 · 9 productsSiemens has an updated software version for the affected SISHIP products that resolves the vulnerabilities. Users are advised to contact Siemens customer support for details.
  4. Vendor fix CISA ICSA-19-043-03 · 9 productsSiemens has released the following updates for WinCC OA that address the WibuKey vulnerabilities (login required):
  5. Vendor fix CISA ICSA-19-043-03 · 9 productsWinCC OA users can also apply the following general mitigations below to resolve the vulnerabilities.
  6. Vendor fix CISA ICSA-19-043-03 · 9 productsSiemens recommends users upgrade to WibuKey DRM Version 6.50 or newer for all affected Siemens products. Siemens also recommends mitigating CVE-2018-3991 by blocking Port 22347/TCP. For detailed information, see Siemens security advisories SSA-760124, SSA-844562, and SSA-902727 at the following lin…

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.04.3known since 2026-10-23
  • NVDCVSS 3.05.5read 2026-10-23
  • NVDCVSS 2.02.1read 2026-10-23
  • NVDweakness (CWE)CWE-908read 2026-10-23
  • FIRST EPSSEPSS score0.6 %2026-11-03

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Published
2019-02-05
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2018-3989?

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.

Is CVE-2018-3989 actively exploited?

Active exploitation of CVE-2018-3989 has not been confirmed. Its EPSS score was 0.6% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-3989?

CVE-2018-3989 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record