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CVE-2026-41447— FirmaCheck < 1.3.16 DLL Hijacking via Unvalidated OpenSSL Configuration Path

Quick assessment

Affected
Zucchetti S.p.a. FirmaCheck
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.

Zucchetti FirmaCheck是意大利Zucchetti公司的一款数字证书与加密校验工具。 Zucchetti FirmaCheck 1.3.16之前版本存在权限许可和访问控制问题漏洞，该漏洞源于未验证的C:\Program Files (x86)\Common Files\SSL\目录路径，攻击者可放置特制的openssl.cnf文件并引用攻击者控制的DLL，可能导致在启动进程权限级别执行任意代码。

CVSS 7.8 · High EPSS 0.17% · P6

Affected Version Matrix 1

VendorProduct Version RangeStatus
Zucchetti S.p.a. FirmaCheck < 1.3.16 affected
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I. Basic Information for CVE-2026-41447

Vulnerability Information
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Vulnerability Title
FirmaCheck < 1.3.16 DLL Hijacking via Unvalidated OpenSSL Configuration Path
Source: CVE Program / CVE List V5
Vulnerability Description
FirmaCheck for Windows before 1.3.16 contains a DLL hijacking vulnerability that allows local attackers to execute arbitrary code by placing a crafted openssl.cnf file in the unvalidated C:\Program Files (x86)\Common Files\SSL\ directory path. Attackers can write a malicious OpenSSL configuration file referencing an attacker-controlled DLL to achieve code execution at startup process privilege level when FirmaCheck.exe runs automatically at system startup.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不可信的搜索路径
Source: CVE Program / CVE List V5
Vulnerability Title
Zucchetti FirmaCheck 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zucchetti FirmaCheck是意大利Zucchetti公司的一款数字证书与加密校验工具。 Zucchetti FirmaCheck 1.3.16之前版本存在权限许可和访问控制问题漏洞，该漏洞源于未验证的C:\Program Files (x86)\Common Files\SSL\目录路径，攻击者可放置特制的openssl.cnf文件并引用攻击者控制的DLL，可能导致在启动进程权限级别执行任意代码。
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
Zucchetti S.p.a. FirmaCheck 0 ~ 1.3.16 -

II. Public POCs for CVE-2026-41447

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-41447

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Vendor Advisories for CVE-2026-41447 (1)

Vendor Pages for CVE-2026-41447 (1)

IV. Related Vulnerabilities

Same weakness: CWE-426

V. Comments for CVE-2026-41447

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