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CVE-2021-23395— Prototype Pollution

Quick assessment

Affected
n/a nedb
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.

nedb是嵌入式持久化或内存数据库的Node.js, nw.js，电子和浏览器，100% JavaScript，没有二进制依赖。 Nedb 中存在安全漏洞，该漏洞源于可通过 __proto__ 或 constructor.prototype 载荷添加或修改 Object.prototype 的变量。以下产品及型号会受到影响：nedb 所有版本。

CVSS 7.3 · High EPSS 0.87% · P57

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-23395

Vulnerability Information
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Vulnerability Title
Prototype Pollution
Source: CVE Program / CVE List V5
Vulnerability Description
This affects all versions of package nedb. The library could be tricked into adding or modifying properties of Object.prototype using a __proto__ or constructor.prototype payload.
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
Nedb 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
nedb是嵌入式持久化或内存数据库的Node.js, nw.js，电子和浏览器，100% JavaScript，没有二进制依赖。 Nedb 中存在安全漏洞，该漏洞源于可通过 __proto__ 或 constructor.prototype 载荷添加或修改 Object.prototype 的变量。以下产品及型号会受到影响：nedb 所有版本。
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
- nedb 0 ~ unspecified -

II. Public POCs for CVE-2021-23395

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III. Intelligence Information for CVE-2021-23395

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Vendor Advisories for CVE-2021-23395 (1)

Same Patch Batch · n/a · 2021-06-15 · 16 CVEs total

CVE-2021-28857 TP-Link TL-WPA4220 信息泄露漏洞
CVE-2021-28858 TP-Link TL-WPA4220 信息泄露漏洞
CVE-2020-29215 SourceCodester Employee Management System 跨站脚本漏洞
CVE-2020-29214 SourceCodester Alumni Management System SQL注入漏洞
CVE-2021-27388 Siemens SINAMICS SL150 输入验证错误漏洞
CVE-2021-33622 Singularity 代码问题漏洞
CVE-2021-33887 Peloton TTR01 数据伪造问题漏洞
CVE-2020-21316 ZrLog 跨站脚本漏洞
CVE-2021-34170 Bandai Namco FromSoftware Dark Souls III 安全漏洞
CVE-2021-34128 LaikeTui 代码问题漏洞
CVE-2021-34129 LaikeTui 路径遍历漏洞
CVE-2021-3592 QEMU 缓冲区错误漏洞
CVE-2021-3593 QEMU 缓冲区错误漏洞
CVE-2021-3594 QEMU 缓冲区错误漏洞
CVE-2021-3595 QEMU 缓冲区错误漏洞

IV. Related Vulnerabilities

Same vendor: n/a

V. Comments for CVE-2021-23395

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