CVE-2025-4762: Insecure Direct Object Reference (IDOR) vulnerability in eSignaViewer

Severity: low (CVSS 2.0 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-05-15 · updated 2026-06-17
Weakness: CWE-20

Description

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.

Affected products

Lleidanet PKI eSigna: all versions

References

https://edgewatch.com/vulnerability-advisories/path-traversal-and-idor-vulnerabilities-in-esignaviewer-allow-unauthorized-file-access/

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