{"uuid": "085fbeba-4896-4bf9-ae92-8500090f1400", "vulnerability": {"vulnId": "CVE-2021-37973", "altId": []}, "gcve": {"origin_uuid": "405284c2-e461-4670-8979-7fd2c9755a60", "object_uuid": "085fbeba-4896-4bf9-ae92-8500090f1400"}, "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: Google Chromium Portals Use-After-Free Vulnerability | Affected: Google / Chromium Portals | Description: Google Chromium Portals contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability affects web browsers that utilize Chromium, including Google Chrome and Microsoft Edge. | 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-2021-37973"}, "evidence": [{"type": "vendor_report", "source": "cisa-kev", "signal": "successful_exploitation", "confidence": 0.8, "details": {"cwes": ["CWE-416"], "feed": "CISA Known Exploited Vulnerabilities Catalog", "product": "Chromium Portals", "due_date": "2021-11-17", "date_added": "2021-11-03", "vendorProject": "Google", "vulnerabilityName": "Google Chromium Portals Use-After-Free Vulnerability", "knownRansomwareCampaignUse": "Unknown"}}], "references": [{"id": "CVE-2021-37973", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-37973"}]}