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CVE Vulnerability Database
Vulnerability Database/CVE-2025-4921

CVE-2025-4921: Rejected CVE Entry (Duplicate) Notice

CVE-2025-4921 has been rejected by MITRE as it is a duplicate of CVE-2025-4919. This post explains the rejection status, provides the correct CVE reference, and guides you to the accurate vulnerability information.

Updated: January 22, 2026

CVE-2025-4921 Overview

CVE-2025-4921 has been officially rejected by the CVE Numbering Authority as it is a duplicate entry of CVE-2025-4919. This CVE identifier should not be used for vulnerability tracking or remediation purposes. Organizations should reference CVE-2025-4919 for information about the actual vulnerability.

Critical Impact

This CVE has been rejected and marked as a duplicate of CVE-2025-4919. No action is required for this specific CVE ID - please refer to CVE-2025-4919 for vulnerability details and remediation guidance.

Affected Products

  • No affected products - this CVE has been rejected as a duplicate

Discovery Timeline

  • 2025-05-17 - CVE-2025-4921 published to NVD
  • 2025-05-18 - Last updated in NVD database (marked as rejected/duplicate)

Technical Details for CVE-2025-4921

Vulnerability Analysis

This CVE entry has been rejected by the CVE Numbering Authority. The rejection indicates that CVE-2025-4921 was assigned in error or represents a duplicate submission of an existing vulnerability. The actual vulnerability details, technical analysis, and security implications should be referenced under CVE-2025-4919.

Duplicate CVE entries can occur when multiple parties report the same vulnerability through different channels, or when a vulnerability is inadvertently assigned multiple identifiers during the coordination process. The CVE program maintains strict deduplication processes to ensure each unique vulnerability has only one authoritative identifier.

Root Cause

This CVE was rejected because it duplicates CVE-2025-4919. The root cause of the duplicate assignment is administrative in nature and does not represent a separate security vulnerability. Security teams should update any references to CVE-2025-4921 to point to the canonical CVE-2025-4919 instead.

Attack Vector

Not applicable - this CVE has been rejected. Please refer to CVE-2025-4919 for attack vector information related to the actual vulnerability.

Detection Methods for CVE-2025-4921

Indicators of Compromise

  • No IOCs are associated with this rejected CVE
  • Any IOCs previously linked to CVE-2025-4921 should be re-mapped to CVE-2025-4919

Detection Strategies

  • Update vulnerability scanners and SIEM rules to reference CVE-2025-4919 instead of CVE-2025-4921
  • Review any existing alerts or detections mapped to this CVE ID and redirect to the correct identifier
  • Ensure vulnerability management platforms are updated with the latest CVE database to reflect this rejection

Monitoring Recommendations

  • No active monitoring is required for this rejected CVE identifier
  • Security teams should verify their vulnerability databases are current and reflect the rejected status
  • Confirm that CVE-2025-4919 is being actively monitored as the canonical reference

How to Mitigate CVE-2025-4921

Immediate Actions Required

  • No remediation action is required for this specific CVE as it has been rejected
  • Redirect all vulnerability tracking efforts to CVE-2025-4919
  • Update internal documentation and ticketing systems to reference the correct CVE identifier

Patch Information

No patches are associated with CVE-2025-4921 as it has been rejected. Any patches or fixes should be tracked under CVE-2025-4919. Security teams should consult the vendor advisory and NVD entry for CVE-2025-4919 to obtain accurate patching information.

Workarounds

  • Reference CVE-2025-4919 for all workaround and mitigation guidance
  • Update vulnerability management workflows to exclude rejected CVEs from active tracking
  • Ensure security automation tools are configured to handle CVE rejections appropriately

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

  • Vulnerability Details
  • TypeOther
  • Vendor/TechN/A
  • SeverityNONE
  • CVSS ScoreN/A
  • Known ExploitedNo
  • Impact Assessment
  • ConfidentialityNone
  • IntegrityNone
  • AvailabilityNone
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