KEV Entry

CVE-2021-30633

Known Exploited Vulnerability Entry Previdian

Entry Details
Confirmed Exploited

CVE-2021-30633

2021-11-03 01:00 CET


Timestamps

2021-11-03

2021-11-03


Scope

Use after free in Indexed DB API in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to... | Affected: Google / Chrome | CVSS: 9.6 (CRITICAL) | EPSS: 0.3318 | Used in malware: unknown | Not yet in CISA KEV: False


References
  • {'id': 'CVE-2021-30633', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-30633'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2021-30633'}

3cc8f01c-ac1b-4d3d-a462-24b034ac773e

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-10-02 09:10 CEST

2026-10-02 09:10 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details
{
  "added_date": "2021-11-03T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2021-30633",
  "cvss_estimated": false,
  "cvss_score": 9.6,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.98321,
  "epss_score": 0.3318,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": null,
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "Chrome",
  "title": "Use after free in Indexed DB API in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to...",
  "used_in_malware": "unknown",
  "vendor": "Google",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2021-30633"
}
-