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CVE-2025-71351— picklescan - Remote Code Execution via timeit.timeit() Detection Bypass

Quick assessment

Affected
picklescan picklescan
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.

picklescan picklescan是picklescan公司的一款Python反序列化漏洞扫描工具。 picklescan 0.0.25之前版本存在输入验证错误漏洞，该漏洞源于无法检测使用timeit.timeit()在__reduce__方法中的恶意pickle文件，可能导致攻击者特制导入危险库如os的pickle文件并执行任意系统命令。

AI Predicted 9.8 Difficulty: Easy EPSS 0.55% · P44

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 2

VendorProduct Version RangeStatus
picklescan picklescan < 0.0.25 affected
0.0.25 unaffected
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I. Basic Information for CVE-2025-71351

Vulnerability Information
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Vulnerability Title
picklescan - Remote Code Execution via timeit.timeit() Detection Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
picklescan before 0.0.25 fails to detect malicious pickle files that use timeit.timeit() in the __reduce__ method, allowing remote code execution. Attackers can craft pickle files that import dangerous libraries like os and execute arbitrary system commands, which evade picklescan detection and execute when pickle.load() is called.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不完整的黑名单
Source: CVE Program / CVE List V5
Vulnerability Title
picklescan 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
picklescan picklescan是picklescan公司的一款Python反序列化漏洞扫描工具。 picklescan 0.0.25之前版本存在输入验证错误漏洞，该漏洞源于无法检测使用timeit.timeit()在__reduce__方法中的恶意pickle文件，可能导致攻击者特制导入危险库如os的pickle文件并执行任意系统命令。
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
picklescan picklescan 0 ~ 0.0.25 -

II. Public POCs for CVE-2025-71351

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III. Intelligence Information for CVE-2025-71351

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Vendor Advisories for CVE-2025-71351 (2)

Same Patch Batch · picklescan · 2026-06-21 · 4 CVEs total

CVE-2025-71357 8.1 HIGH picklescan - Arbitrary Code Execution via Undetected idlelib.pyshell.ModifiedInterpreter.r
CVE-2025-71348 8.1 HIGH picklescan - Arbitrary Code Execution via torch.utils._config_module.load_config Bypass
CVE-2025-71378 8.1 HIGH picklescan - Remote Code Execution via Undetected cProfile.runctx in Pickle Files

IV. Related Vulnerabilities

Same product: picklescan
Same vendor: picklescan
Same weakness: CWE-184

V. Comments for CVE-2025-71351

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