KEV Entry

CVE-2023-54403

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2023-54403

2026-09-30 20:40 UTC

Timestamps

2026-09-30

2026-09-30

Scope

Yonyou U8 CRM Arbitrary File Read via getemaildata.php | Affected: Yonyou / U8 CRM | CVSS: 8.7 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2023-54403', 'url': 'https://www.cve.org/CVERecord?id=CVE-2023-54403'}
  • {'id': 'GHSA-8VGX-V6GM-MHXR', 'url': 'https://github.com/advisories/GHSA-8VGX-V6GM-MHXR'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2023-54403'}

f2ad3b12-3727-4bd0-8c2a-7da1750619c6

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

2026-10-01 21:00 UTC

2026-10-01 21:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-09-30T20:40:20.538Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2023-54403",
  "cvss_estimated": false,
  "cvss_score": 8.7,
  "cvss_severity": "HIGH",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-8VGX-V6GM-MHXR",
  "not_yet_in_cisa_kev": true,
  "previous_ids": [],
  "product": "U8 CRM",
  "title": "Yonyou U8 CRM Arbitrary File Read via getemaildata.php",
  "used_in_malware": "unknown",
  "vendor": "Yonyou",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2023-54403"
}
 -
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