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CVE-2020-28503— Prototype Pollution

Quick assessment

Affected
n/a copy-props
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Takayuki Sato copy-props是 （Takayuki Sato）开源的一个应用系统。用于在两个对象之间深深地复制属性。 copy-props before 2.0.5 存在安全漏洞，该漏洞源于容易受到原型污染。

CVSS 7.3 · High EPSS 1.70% · P75

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-28503

Vulnerability Information
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Vulnerability Title
Prototype Pollution
Source: CVE Program / CVE List V5
Vulnerability Description
The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Takayuki Sato copy-props 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Takayuki Sato copy-props是　　（Takayuki Sato）开源的一个应用系统。用于在两个对象之间深深地复制属性。 copy-props before 2.0.5 存在安全漏洞，该漏洞源于容易受到原型污染。
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
- copy-props unspecified ~ 2.0.5 -

II. Public POCs for CVE-2020-28503

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7709 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
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III. Intelligence Information for CVE-2020-28503

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Patches & Fixes for CVE-2020-28503 (1)

Vendor Advisories for CVE-2020-28503 (2)

Same Patch Batch · n/a · 2021-03-23 · 39 CVEs total

CVE-2021-29068 9.9 CRITICAL Netgear NETGEAR 缓冲区错误漏洞
CVE-2021-29082 9.6 CRITICAL 多款Netgear产品信息泄露漏洞
CVE-2021-29065 9.6 CRITICAL Netgear NETGEAR RBR850 授权问题漏洞
CVE-2021-29066 9.6 CRITICAL Netgear NETGEAR 授权问题漏洞
CVE-2021-29079 9.6 CRITICAL Netgear NETGEAR 命令注入漏洞
CVE-2021-29078 9.6 CRITICAL 多款Netgear产品命令注入漏洞
CVE-2021-29077 9.6 CRITICAL 多款Netgear产品命令注入漏洞
CVE-2021-29076 9.6 CRITICAL Netgear NETGEAR 命令注入漏洞
CVE-2021-29067 9.6 CRITICAL Netgear NETGEAR 授权问题漏洞
CVE-2021-29071 9.6 CRITICAL Netgear NETGEAR 命令注入漏洞
CVE-2021-29070 8.4 HIGH Netgear NETGEAR 命令注入漏洞
CVE-2021-29072 8.4 HIGH Netgear NETGEAR 命令注入漏洞
CVE-2021-29074 8.4 HIGH NETGEAR 多款产品缓冲区错误漏洞
CVE-2021-29075 8.4 HIGH 多款Netgear产品缓冲区错误漏洞
CVE-2021-29081 8.4 HIGH 多款Netgear产品缓冲区错误漏洞
CVE-2021-29080 8.1 HIGH Netgear NETGEAR 授权问题漏洞
CVE-2021-29073 7.6 HIGH Netgear NETGEAR 缓冲区错误漏洞
CVE-2021-29069 7.3 HIGH 多款Netgear产品命令注入漏洞
CVE-2021-23362 5.3 MEDIUM Regular Expression Denial of Service (ReDoS)
CVE-2021-20227 SQLite 资源管理错误漏洞

Showing top 20 of 39 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: n/a

V. Comments for CVE-2020-28503

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