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

Quick assessment

Affected
Lleidanet PKI eSigna
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

eSigna是eSigna公司的一款面向投资者和交易者的基于 Windows 的分析应用程序。 eSigna 1.0至1.5版本存在安全漏洞，该漏洞源于组件eSignaViewer访问控制不当，可能导致任意文件访问。

AI Predicted 7.5 Difficulty: Easy EPSS 0.32% · P24
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I. Basic Information for CVE-2025-4762

Vulnerability Information
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Vulnerability Title
Insecure Direct Object Reference (IDOR) vulnerability in eSignaViewer
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
eSigna 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
eSigna是eSigna公司的一款面向投资者和交易者的基于 Windows 的分析应用程序。 eSigna 1.0至1.5版本存在安全漏洞，该漏洞源于组件eSignaViewer访问控制不当，可能导致任意文件访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Lleidanet PKI eSigna 1.3.2 -

II. Public POCs for CVE-2025-4762

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III. Intelligence Information for CVE-2025-4762

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IV. Related Vulnerabilities

Same product: eSigna
Same vendor: Lleidanet PKI
Same weakness: CWE-20

V. Comments for CVE-2025-4762

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