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CVE Record

CVE-2024-43614: Microsoft Defender for Endpoint for Linux Spoofing Vulnerability

Relative path traversal in Microsoft Defender for Endpoint allows an authorized attacker to perform spoofing locally.

MediumCVSS 5.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

A locally authorized, low-privilege user could abuse path handling in Microsoft Defender for Endpoint for Linux to spoof file locations and potentially expose sensitive information. The issue is rated medium because exploitation requires existing local access and does not directly affect integrity or availability.

Executive priority

Schedule prompt remediation through standard endpoint patching. Accelerate action for shared Linux servers, developer systems, or other hosts with untrusted local users. This is not presented as an emergency internet-wide threat, but its potential confidentiality impact warrants tracked completion.

Technical view

CVE-2024-43614 is a relative path traversal weakness (CWE-23) in Microsoft Defender for Endpoint for Linux. Its CVSS 3.1 score is 5.5: local access, low complexity, low privileges, no user interaction, high confidentiality impact, and no stated integrity or availability impact.

Likely exposure

The supplied affected-product data identifies Microsoft Defender for Endpoint for Linux version 101.0.0. Exposure is most relevant on shared or otherwise accessible Linux systems where untrusted users already have local accounts. The source bundle does not clarify whether additional versions are affected.

Exploitation context

The supplied sources do not establish active exploitation, and the CVE is not listed as KEV in the bundle. Exploitation requires an authorized attacker with local, low-privilege access, substantially limiting remote attack scenarios. Evidence about public proof-of-concept availability is not provided.

Researcher notes

The available evidence describes CWE-23 relative path traversal resulting in local spoofing. CVSS indicates high confidentiality impact without integrity or availability impact. Exact traversed paths, affected components, corrected versions, and detection indicators are not included in the supplied bundle; consult the Microsoft advisory for those details.

Mitigation direction

  • Inventory Microsoft Defender for Endpoint versions across Linux systems.
  • Review Microsoft's advisory for the applicable corrected release or update.
  • Apply the Microsoft-provided update using normal endpoint-management controls.
  • Prioritize shared systems and hosts allowing untrusted local access.
  • Restrict unnecessary local accounts until remediation is confirmed.

Validation and detection

  • Confirm installed Defender versions against Microsoft's current advisory.
  • Verify the vendor update completed successfully on each Linux endpoint.
  • Re-scan managed assets to identify remaining version 101.0.0 installations.
  • Review local-account access on affected or unverified systems.
  • Monitor endpoint and system logs for unexplained sensitive-file access.
Prepared
Confidence
high
Sources
3

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 · medium confidence lookup

CWE-23: File access and web shell behavior lookup

File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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
description · low confidence lookup

File access behavior lookup

The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2024-43614 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:H/I:N/A:N/E:U/RL:O/RC:C

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
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

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:H/I:N/A:N/E:U/RL:O/RC:C1.83.6microsoft

Vulnerability scoring details

Base CVSS 3.1 score

5.5Medium
CVSS 3.1 vector shape for CVE-2024-43614Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
MicrosoftMicrosoft Defender for Endpoint for Linux101.0.0Listed
Weakness

CWE details

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

CWE-23 · source CWE mapping

Relative Path Traversal

Relative Path Traversal represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.