KEV Entry

CVE-2023-28770

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2023-28770

2023-04-27 00:00 UTC

Timestamps

2023-04-27

2023-04-27

Scope

The sensitive information exposure vulnerability in the CGI “Export_Log” and the binary “zcmd” in Zyxel DX5401-B0 firmware versions prior to... | Affected: Zyxel / DX5401-B0 firmware | CVSS: 7.5 (HIGH) | EPSS: 0.57778 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2023-28770', 'url': 'https://www.cve.org/CVERecord?id=CVE-2023-28770'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2023-28770'}

8e992394-3897-45f4-9a8d-da307faf98e8

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

2026-11-04 13:01 UTC

2026-11-04 13:01 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2023-04-27T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2023-28770",
  "cvss_estimated": false,
  "cvss_score": 7.5,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.99086,
  "epss_score": 0.57778,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": null,
  "not_yet_in_cisa_kev": true,
  "previous_ids": [],
  "product": "DX5401-B0 firmware",
  "title": "The sensitive information exposure vulnerability in the CGI \u201cExport_Log\u201d and the binary \u201czcmd\u201d in Zyxel DX5401-B0 firmware versions prior to...",
  "used_in_malware": "unknown",
  "vendor": "Zyxel",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2023-28770"
}
 -
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