CVE-2021-30967 in iOS
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 Reason: This candidate was withdrawn by the CVE program.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 • 03/08/2026
This CVE identifier has been formally rejected by the CVE Numbering Authority and should not be utilized for any security assessments or vulnerability management activities. The rejection indicates that the candidate number was withdrawn from consideration, likely due to insufficient information, incorrect classification, or other procedural issues within the CVE submission process. Organizations maintaining vulnerability databases, security tools, or risk assessment frameworks should remove this identifier from their systems and references immediately. The withdrawal of a CVE number represents a formal acknowledgment by the CVE program that the candidate did not meet the required standards for official CVE assignment. This rejection serves as a reminder of the importance of proper vulnerability identification and classification processes within cybersecurity operations.
The absence of any consult IDs or specific notes regarding this withdrawn candidate suggests that no alternative CVE number was assigned to replace it, nor were there any supporting details provided to understand why the number was rejected. Security teams relying on automated systems or databases should ensure their configurations properly handle rejected CVE identifiers to prevent false positives in vulnerability scanning or threat detection mechanisms. The CVE program maintains strict quality control measures for all candidate numbers, and withdrawal indicates a failure to meet these standards. This process demonstrates the rigorous validation procedures employed by CVE maintainers to ensure the integrity and reliability of their vulnerability identification system.
Organizations should verify that their security infrastructure does not reference this withdrawn identifier in any manner, including but not limited to vulnerability databases, security information and event management systems, or automated threat intelligence feeds. The rejection of a CVE number serves as an important indicator for security analysts to understand the quality control measures within the vulnerability identification process and reinforces the need for proper validation before implementing any security controls based on reported vulnerabilities. Security professionals should focus their attention on properly validated CVE identifiers that have been officially assigned through the established CVE program processes, as these represent verified and standardized threat information.
The withdrawal of this specific candidate number underscores the importance of maintaining accurate and current vulnerability intelligence within cybersecurity operations. While the rejection itself provides minimal information about the original vulnerability attempt, it serves as a procedural indicator that the CVE program has identified issues with the submitted candidate. Security teams should ensure their monitoring systems are configured to properly handle such withdrawn identifiers and avoid any confusion or misinterpretation of security data. The CVE program's withdrawal process represents an essential quality assurance mechanism that helps maintain the credibility and reliability of vulnerability information across the cybersecurity community.