CVE-2021-47989 Overview
CVE-2021-47989 has been rejected by the CVE Numbering Authority. The identifier is no longer considered a valid vulnerability record in the National Vulnerability Database (NVD). Rejected CVE entries typically indicate the identifier was withdrawn, duplicated by another CVE, or determined not to represent a security vulnerability.
Security teams reviewing this identifier should treat it as informational only. No affected products, CVSS score, or technical details are associated with this record.
Critical Impact
No security impact. This CVE identifier has been rejected and does not describe an exploitable vulnerability.
Affected Products
- Not Available - CVE record rejected
- No vendor information published
- No product versions associated
Discovery Timeline
- 2026-08-11 - CVE-2021-47989 published to NVD as rejected
- 2026-08-11 - Last updated in NVD database
Technical Details for CVE-2021-47989
Vulnerability Analysis
No technical vulnerability analysis is available for CVE-2021-47989. The CVE record carries the rejection reason: "This CVE ID has been rejected." Rejected records are removed from active vulnerability tracking and should not be used for risk scoring, prioritization, or remediation planning.
Organizations that previously ingested this identifier through vulnerability feeds should update their internal records to reflect the rejected status. If a scanner or intelligence platform still references CVE-2021-47989, verify whether a replacement CVE was issued for the underlying issue.
Root Cause
No root cause exists to document. The identifier was rejected by the assigning CNA before or after publication. Common reasons for CVE rejection include duplicate assignment, withdrawal by the reporter, or a determination that the reported behavior is not a security vulnerability.
Attack Vector
No attack vector applies. Rejected CVEs do not describe exploitable conditions and cannot be weaponized. Any threat intelligence claiming exploitation of CVE-2021-47989 should be treated as inaccurate.
No verified proof-of-concept code, exploit examples, or technical references are available for this rejected identifier.
Detection Methods for CVE-2021-47989
Indicators of Compromise
- No indicators of compromise apply to a rejected CVE record.
- Detection rules referencing CVE-2021-47989 should be reviewed and removed.
Detection Strategies
- Audit vulnerability management platforms for stale references to CVE-2021-47989 and mark them as rejected.
- Cross-reference any alerting tied to this identifier against the current NVD entry to confirm the rejected status.
Monitoring Recommendations
- Subscribe to NVD data feed updates to automatically process CVE status changes, including rejections.
- Validate that threat intelligence enrichment pipelines filter out rejected CVE identifiers to prevent noise in security operations workflows.
How to Mitigate CVE-2021-47989
Immediate Actions Required
- No patching or mitigation is required because the CVE record has been rejected.
- Remove CVE-2021-47989 from active remediation queues and risk registers.
- Confirm that any downstream reporting or compliance documentation reflects the rejected status.
Patch Information
No patch is available or required. Vendors have not published advisories tied to CVE-2021-47989 because the record does not describe a valid vulnerability. Consult the NVD directly for the authoritative rejection notice.
Workarounds
- No workarounds are needed for a rejected CVE identifier.
- If a scanner flags CVE-2021-47989, suppress the finding after verifying the rejected status in the NVD.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

