KEV Entry

CVE-2023-5222

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2023-5222

2025-10-05 02:00 CEST

Timestamps

2025-10-05

2025-10-05

Scope

Viessmann Vitogate 300 Web Management Interface vitogate.cgi isValidUser hard-coded password | Affected: Viessmann / Vitogate 300 | CVSS: 6.3 (MEDIUM) | EPSS: 0.80402 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2023-5222', 'url': 'https://www.cve.org/CVERecord?id=CVE-2023-5222'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2023-5222'}

be7a050e-db15-4572-96c2-e2bcbf51b8ef

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

2026-10-02 09:09 CEST

2026-10-02 09:09 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2025-10-05T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2023-5222",
  "cvss_estimated": false,
  "cvss_score": 6.3,
  "cvss_severity": "MEDIUM",
  "epss_percentile": 0.99613,
  "epss_score": 0.80402,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": null,
  "not_yet_in_cisa_kev": true,
  "previous_ids": [],
  "product": "Vitogate 300",
  "title": "Viessmann Vitogate 300 Web Management Interface vitogate.cgi isValidUser hard-coded password",
  "used_in_malware": "unknown",
  "vendor": "Viessmann",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2023-5222"
}
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