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TI-2025-04258 Aliases CVE-2025-4762GHSA-8vfv-f6xm-p6cm

Insecure Direct Object Reference (IDOR) vulnerability in eSignaViewer

Priority LOW 11CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Active
Attack complexity
High
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Insecure Direct Object Reference (IDOR) vulnerability in the eSignaViewer component in eSigna product versions 1.0 to 1.5 on all platforms allow an unauthenticated attacker to access arbitrary files in the document system via manipulation of file paths and object identifiers.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0034 27th percentileScored 2026-11-07
Fix Fixed eSigna (Lleidanet PKI): 1.3.2, 1.4.4, 4.0.4 +6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Lleidanet PKIeSigna—1.3.2, 1.4.4, 4.0.4, 4.1.4, 5.0.2, 5.1.2, 5.2.4, 5.3.3, 5.4.1Patch availableCNA
  • eSigna VendorLleidanet PKI Affected — Fixed in 1.3.2, 1.4.4, 4.0.4, 4.1.4, 5.0.2, 5.1.2, 5.2.4, 5.3.3, 5.4.1 Patch available CNA

Remediation

  • Fix · CNA eSigna (Lleidanet PKI) Fixed in 1.3.2, 1.4.4, 4.0.4, 4.1.4, 5.0.2, 5.1.2, 5.2.4, 5.3.3, 5.4.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-4762
  2. 2026-10-03 Alias added: GHSA-8vfv-f6xm-p6cm

References

  • TI-2024-11147 Path Traversal vulnerability in eSignaViewer Allow Unauthorized File Access CVSS 4.0LOW 2.0

Sources