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CVE-2025-49010— OpenSC: Stack-buffer-overflow WRITE in GET RESPONSE

Quick assessment

Affected
OpenSC OpenSC
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.

OpenSC是OpenSC开源的一款开源的智能卡工具和中间件。 OpenSC 0.27.0之前版本存在安全漏洞，该漏洞源于GET RESPONSE中存在栈缓冲区溢出写入，可能导致具有物理访问权限的攻击者在用户或管理员使用令牌时执行攻击。

CVSS 3.8 · Low EPSS 0.13% · P2

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-49010

Vulnerability Information
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Vulnerability Title
OpenSC: Stack-buffer-overflow WRITE in GET RESPONSE
Source: CVE Program / CVE List V5
Vulnerability Description
OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow write in GET RESPONSE. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
OpenSC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenSC是OpenSC开源的一款开源的智能卡工具和中间件。 OpenSC 0.27.0之前版本存在安全漏洞，该漏洞源于GET RESPONSE中存在栈缓冲区溢出写入，可能导致具有物理访问权限的攻击者在用户或管理员使用令牌时执行攻击。
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
OpenSC OpenSC < 0.27.0 -

II. Public POCs for CVE-2025-49010

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III. Intelligence Information for CVE-2025-49010

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Vendor Advisories for CVE-2025-49010 (1)

Same Patch Batch · OpenSC · 2026-03-30 · 4 CVEs total

CVE-2025-66037 3.9 LOW OpenSC: Out of Bounds vulnerability
CVE-2025-66038 3.9 LOW OpenSC: `sc_compacttlv_find_tag` can return out-of-bounds pointers
CVE-2025-66215 3.8 LOW OpenSC: Stack-buffer-overflow WRITE in card-oberthur

IV. Related Vulnerabilities

Same product: OpenSC
Same vendor: OpenSC
Same weakness: CWE-121

V. Comments for CVE-2025-49010

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