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CVE-2021-47952— python jsonpickle 2.0.0 Remote Code Execution via py/repr

CVSS 9.8 · Critical EPSS 0.30% · P54

Affected Version Matrix 1

VendorProductVersion RangeStatus
Jsonpicklepython jsonpickle2.0.0affected
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I. Basic Information for CVE-2021-47952

Vulnerability Information
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Vulnerability Title
python jsonpickle 2.0.0 Remote Code Execution via py/repr
Source: NVD (National Vulnerability Database)
Vulnerability Description
python jsonpickle 2.0.0 contains a remote code execution vulnerability that allows attackers to execute arbitrary Python commands by deserializing malicious JSON payloads containing py/repr objects. Attackers can craft JSON strings with py/repr directives that invoke the eval function during deserialization to execute system commands and arbitrary code.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Jsonpickle 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jsonpickle是Jsonpickle个人开发者的一款基于Python用于支持Python对象与Json进行序列化的软件。 jsonpickle 2.0.0版本存在代码注入漏洞，该漏洞源于反序列化问题，可能导致攻击者通过反序列化包含py/repr对象的恶意JSON有效载荷执行任意Python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

VendorProductAffected VersionsCPESubscribe
Jsonpicklepython jsonpickle 2.0.0 -

II. Public POCs for CVE-2021-47952

#POC DescriptionSource LinkShenlong Link
AI-Generated POCVerified env Premium
Qwen3.6-35B-A3B · 6110 chars
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III. Intelligence Information for CVE-2021-47952

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IV. Related Vulnerabilities

Same weakness: CWE-94

V. Comments for CVE-2021-47952

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