KEV Entry

CVE-2023-4966

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2023-4966

2023-10-18 02:00 CEST

Timestamps

2023-10-18

2023-10-18

Scope

Unauthenticated sensitive information disclosure | Affected: Citrix / NetScaler ADC, NetScaler Gateway | CVSS: 9.4 (CRITICAL) | EPSS: 0.99999 | Used in malware: yes | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2023-4966', 'url': 'https://www.cve.org/CVERecord?id=CVE-2023-4966'}
  • {'id': 'GHSA-2G42-2PWG-93CJ', 'url': 'https://github.com/advisories/GHSA-2G42-2PWG-93CJ'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2023-4966'}

99fbd586-08ed-4e48-bb76-ce7cd94f9230

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": "2023-10-18T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2023-4966",
  "cvss_estimated": false,
  "cvss_score": 9.4,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.99997,
  "epss_score": 0.99999,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-2G42-2PWG-93CJ",
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "NetScaler ADC, NetScaler Gateway",
  "title": "Unauthenticated sensitive information disclosure",
  "used_in_malware": "yes",
  "vendor": "Citrix",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2023-4966"
}
 -
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