KEV Entry

CVE-2025-34027

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2025-34027

2025-08-01 02:00 CEST

Timestamps

2025-08-01

2025-08-01

Scope

Versa Concerto Authentication Bypass File Write Remote Code Execution | Affected: Versa / Concerto | CVSS: 10.0 (CRITICAL) | EPSS: 0.4522 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2025-34027', 'url': 'https://www.cve.org/CVERecord?id=CVE-2025-34027'}
  • {'id': 'GHSA-96GF-3RQF-C8M9', 'url': 'https://github.com/advisories/GHSA-96GF-3RQF-C8M9'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2025-34027'}

0e7f853b-d718-403b-90c6-788cd6a0127f

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": "2025-08-01T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2025-34027",
  "cvss_estimated": false,
  "cvss_score": 10.0,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.98749,
  "epss_score": 0.4522,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-96GF-3RQF-C8M9",
  "not_yet_in_cisa_kev": true,
  "previous_ids": [],
  "product": "Concerto",
  "title": "Versa Concerto Authentication Bypass File Write Remote Code Execution",
  "used_in_malware": "unknown",
  "vendor": "Versa",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2025-34027"
}
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