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KEV Entry

CVE-2023-54398

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2023-54398

2026-09-15 17:00 UTC

Timestamps

2026-09-15

2026-09-15

Scope

Yonyou U8 Cloud Java Deserialization RCE via FileManageServlet | Affected: Yonyou / U8 Cloud | CVSS: 9.3 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2023-54398', 'url': 'https://www.cve.org/CVERecord?id=CVE-2023-54398'}
  • {'id': 'GHSA-R89P-QRRF-VPMC', 'url': 'https://github.com/advisories/GHSA-R89P-QRRF-VPMC'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2023-54398'}

a3b2ec9b-106d-45f9-bf04-8503f9fd297d

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

2026-09-16 18:00 UTC

2026-09-16 18:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-09-15T17:00:52.437Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2023-54398",
  "cvss_estimated": false,
  "cvss_score": 9.3,
  "cvss_severity": "CRITICAL",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-R89P-QRRF-VPMC",
  "not_yet_in_cisa_kev": true,
  "previous_ids": [],
  "product": "U8 Cloud",
  "title": "Yonyou U8 Cloud Java Deserialization RCE via FileManageServlet",
  "used_in_malware": "unknown",
  "vendor": "Yonyou",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2023-54398"
}
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