CVE-2021-47952— python jsonpickle 2.0.0 Remote Code Execution via py/repr
Possible ATT&CK Techniques 2AI
T1203 · Exploitation for Client Execution T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Jsonpickle | python jsonpickle | 2.0.0 | affected |
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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)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Jsonpickle | python jsonpickle | 2.0.0 | - |
II. Public POCs for CVE-2021-47952
| # | POC Description | Source Link | Shenlong 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
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OpenMRS: Stored Velocity SSTI to RCE via ConceptReferenceRan - CVE-2026-35194
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V. Comments for CVE-2021-47952
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