{"uuid": "c5fbdf58-42ba-45b4-b0bb-fb119eec4779", "vulnerability": {"vulnId": "CVE-2021-21017", "altId": []}, "gcve": {"origin_uuid": "405284c2-e461-4670-8979-7fd2c9755a60", "object_uuid": "c5fbdf58-42ba-45b4-b0bb-fb119eec4779"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2021-11-03T00:00:00+00:00"}, "characteristics": {}, "timestamps": {"asserted_at": "2021-11-03T00:00:00Z", "recorded_at": "2026-02-02T13:24:01Z", "first_seen_at": "2021-11-03T00:00:00Z"}, "scope": {"notes": "KEV entry: Adobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability | Affected: Adobe / Acrobat and Reader | Description: Acrobat Acrobat and Reader contain a heap-based buffer overflow vulnerability that could allow an unauthenticated attacker to achieve code execution in the context of the current user. | Required action: Apply updates per vendor instructions. | Due date: 2021-11-17 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-21017"}, "evidence": [{"type": "vendor_report", "source": "cisa-kev", "signal": "successful_exploitation", "confidence": 0.8, "details": {"cwes": ["CWE-122"], "feed": "CISA Known Exploited Vulnerabilities Catalog", "product": "Acrobat and Reader", "due_date": "2021-11-17", "date_added": "2021-11-03", "vendorProject": "Adobe", "vulnerabilityName": "Adobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability", "knownRansomwareCampaignUse": "Unknown"}}], "references": [{"id": "CVE-2021-21017", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-21017"}]}