KEV Entry

CVE-2021-45046

Known Exploited Vulnerability Entry Previdian

Back to Catalog View Vulnerability
Entry Details
Confirmed Exploited

CVE-2021-45046

2023-05-01 02:00 CEST

Timestamps

2023-05-01

2023-05-01

Scope

Apache Log4j2 Thread Context Message Pattern and Context Lookup Pattern vulnerable to a denial of service attack | Affected: Apache / Apache Log4j | CVSS: 9.0 (CRITICAL) | EPSS: 0.99977 | Used in malware: yes | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2021-45046', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-45046'}
  • {'id': 'GHSA-7RJR-3Q55-VV33', 'url': 'https://github.com/advisories/GHSA-7RJR-3Q55-VV33'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2021-45046'}

2a885efb-8c72-4d3b-93d3-68c26c2e98ec

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

2026-10-02 09:11 CEST

2026-10-02 09:11 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian confirmed_compromise 0.70
View details 
{
  "added_date": "2023-05-01T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2021-45046",
  "cvss_estimated": false,
  "cvss_score": 9.0,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.9998,
  "epss_score": 0.99977,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-7RJR-3Q55-VV33",
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "Apache Log4j",
  "title": "Apache Log4j2 Thread Context Message Pattern and Context Lookup Pattern vulnerable to a denial of service attack",
  "used_in_malware": "yes",
  "vendor": "Apache",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2021-45046"
}
 -
Export Options
JSON Object JSON API View Full Catalog