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CVE Record

CVE-2023-51778: Out-of-Bounds Write vulnerability in Jungo WinDriver before 12.1.0 allows local attackers to cause a Window...

Out-of-Bounds Write vulnerability in Jungo WinDriver before 12.1.0 allows local attackers to cause a Windows blue screen error and Denial of Service (DoS).

MediumCVSS 5.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-51778 is a local denial-of-service flaw in Jungo WinDriver before 12.1.0. A low-privileged local attacker could crash Windows with a blue screen. The business risk is operational disruption, especially where referenced industrial or operational systems rely on affected driver components.

Executive priority

Treat this as a moderate operational resilience issue. It is not shown as internet-exploitable or actively exploited in the provided sources, but a local crash path can matter in industrial, kiosk, engineering workstation, or production-support environments.

Technical view

The issue is an out-of-bounds write, CWE-787, in Jungo WinDriver before 12.1.0. CVSS 3.1 is 5.5: local access, low complexity, low privileges, no user interaction, unchanged scope, and high availability impact only. Source metadata does not provide complete CPE-level affected product detail.

Likely exposure

Exposure is most likely on Windows hosts running Jungo WinDriver before 12.1.0, including environments covered by the Mitsubishi Electric and CISA ICS advisories. The provided source bundle does not identify complete product or CPE mappings, so inventory confirmation is required.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation evidence. The attack is local, requires low privileges, and is described as causing a Windows blue screen and denial of service, not data theft or privilege escalation.

Researcher notes

Prioritize version validation and product mapping. The affected metadata in the bundle is incomplete, so do not rely only on CVE CPE data. Focus review on local availability exposure and vendor-advised upgrade paths without assuming confidentiality or integrity impact.

Mitigation direction

  • Identify Windows systems with Jungo WinDriver installed.
  • Upgrade WinDriver before 12.1.0 to a vendor-supported fixed release.
  • Follow Mitsubishi Electric and CISA ICS advisory guidance for covered environments.
  • Limit local interactive and service-account access to affected Windows hosts.
  • Schedule remediation to reduce operational downtime from potential crashes.

Validation and detection

  • Confirm the installed WinDriver version on in-scope Windows systems.
  • Review asset inventories for systems covered by the Mitsubishi Electric advisory.
  • Check whether affected hosts are reachable by low-privileged local users.
  • Verify remediation by confirming WinDriver is no longer before 12.1.0.
  • Document any compensating access controls for systems awaiting upgrade.
Prepared
Confidence
medium
Sources
5

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-787: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-51778 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.5CVSS 3.1MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H1.83.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.5Medium
CVSS 3.1 vector shape for CVE-2023-51778Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-787 · source CWE mapping

Out-of-bounds Write

Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.