CVE-2021-30940 in macOS
Summary
by MITRE • 08/25/2021
** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by the CVE program. Notes: none.
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Analysis
by VulDB Data Team • 07/02/2026
This CVE entry represents a withdrawn candidate number from the Common Vulnerabilities and Exposures program, indicating that the vulnerability identification or assessment was subsequently deemed invalid or unnecessary for public disclosure. The withdrawal process typically occurs when the CVE Numbering Authority determines that the reported issue does not meet the criteria for a CVE designation, or when additional information reveals that the vulnerability either does not exist as originally described, or has been superseded by more accurate assessments.
When a CVE candidate number is withdrawn, it signifies that the vulnerability research community and CVE program maintainers have reviewed the initial submission and concluded that it should not be formally recognized within the CVE database. This decision may stem from various factors including insufficient evidence of a security flaw, incorrect technical analysis, or the identification of alternative explanations for the reported behavior. The withdrawal process ensures the integrity of the CVE database by preventing the propagation of inaccurate vulnerability information that could mislead security professionals and organizations.
The withdrawn status does not necessarily indicate that no security issue existed, but rather that the specific candidate number was inappropriate for formal CVE designation. Organizations should understand that withdrawn CVE candidates represent a temporary state in the vulnerability assessment process, where initial claims or analyses are reviewed and refined. Security researchers and teams must remain vigilant about monitoring such withdrawals, as they may indicate evolving understanding of security issues or changes in threat landscape assessments.
From a cybersecurity operations perspective, the withdrawal of a CVE candidate number demonstrates the collaborative nature of vulnerability identification within the security community. The process involves multiple stakeholders including vendors, researchers, and CVE program maintainers working together to ensure accurate and reliable vulnerability reporting. This collaborative approach helps prevent false positives that could lead to unnecessary security alerts or resource allocation efforts.
The withdrawn CVE status also reflects the dynamic nature of cybersecurity threat assessment, where initial vulnerability claims are often subject to further investigation and validation. Security teams should understand that vulnerability assessments are iterative processes requiring continuous verification and updating of threat intelligence. The withdrawal process serves as a quality control mechanism ensuring that only validated and significant security issues receive formal CVE designation.
Industry standards such as those defined by the Common Weakness Enumeration (CWE) and MITRE ATT&CK framework do not typically reference withdrawn CVE candidates since they represent non-standardized or unvalidated vulnerability claims. Organizations should focus their security efforts on formally designated vulnerabilities rather than withdrawn candidates, which may indicate either premature disclosure or incorrect technical analysis that could misdirect security resources.
Security organizations must maintain awareness of the CVE withdrawal process as part of their overall vulnerability management strategy. Withdrawn candidates do not represent actual security threats requiring immediate remediation, but their existence demonstrates the importance of thorough validation procedures in vulnerability assessment. The process of CVE candidate withdrawal reflects the professional standards and quality assurance measures that maintain credibility within the cybersecurity community.
The formal withdrawal of CVE candidates also illustrates the importance of proper vulnerability disclosure practices and the need for accurate technical documentation before public reporting. Security researchers must ensure their findings are thoroughly validated before submission to CVE programs, as withdrawal indicates either insufficient evidence or incorrect analysis that could mislead other security professionals. This process emphasizes the responsibility of the cybersecurity community in maintaining accurate threat intelligence databases.
Organizations implementing vulnerability management processes should understand that withdrawn CVE candidates do not require immediate action or remediation efforts, as they represent either false positives or preliminary findings that did not meet formal validation criteria. The withdrawal process helps maintain clean and accurate security databases by removing invalid entries that could otherwise confuse security teams during incident response activities or vulnerability assessments.
The CVE program's withdrawal mechanism represents a critical quality control function within cybersecurity governance frameworks. It ensures that only verified security issues receive official recognition and formal documentation, preventing the dissemination of potentially misleading information that could impact security decision-making processes. This validation process maintains trust in the CVE system as an authoritative source for vulnerability identification and remediation guidance.
Security professionals should recognize that withdrawn CVE candidates may have originated from legitimate research efforts that were later refined or disproven through additional analysis. The withdrawal does not diminish the value of the underlying research effort but rather indicates that the specific vulnerability claim did not meet formal criteria for CVE designation. This process supports continuous improvement in vulnerability assessment methodologies and helps maintain the integrity of security information sharing practices across organizations and communities.