CVE-2021-23568— Prototype Pollution
Quick assessment
Affected
n/a extend2
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.
extend2是一个用于扩展对象的简单函数。从node-extend派生，区别在于深度克隆时将数组覆盖为原始数组。 extend2 存在安全漏洞，该漏洞源于不安全的递归合并。
Possible ATT&CK Techniques 1 AI
T1195.002 · Compromise Software Supply Chain
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2021-23568
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Prototype Pollution
Source: CVE Program / CVE List V5
Vulnerability Description
The package extend2 before 1.0.1 are vulnerable to Prototype Pollution via the extend function due to unsafe recursive merge.
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
extend2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
extend2是一个用于扩展对象的简单函数。从node-extend派生，区别在于深度克隆时将数组覆盖为原始数组。 extend2 存在安全漏洞，该漏洞源于不安全的递归合并。
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 |
|---|---|---|---|---|
| - | extend2 | unspecified ~ 1.0.1 | - |
|
II. Public POCs for CVE-2021-23568
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-23568
请登录查看更多情报信息。
Patches & Fixes for CVE-2021-23568 (2)
-
https://github.com/eggjs/extend2/pull/2 x_refsource_MISC
Vendor Advisories for CVE-2021-23568 (1)
-
https://snyk.io/vuln/SNYK-JS-EXTEND2-2320315 x_refsource_MISC
Other References for CVE-2021-23568 (1)
-
https://github.com/eggjs/extend2/blob/master/index.js%23L50-L60 x_refsource_MISC
Same Patch Batch · n/a · 2022-01-07 · 37 CVEs total
| CVE-2021-23543 | 9.8 CRITICAL | Sandbox Bypass |
| CVE-2021-23594 | 9.8 CRITICAL | Sandbox Bypass |
| CVE-2021-40041 | Huawei WS318n 跨站脚本漏洞 | |
| CVE-2022-22702 | PartKeepr 代码问题漏洞 | |
| CVE-2021-46048 | Binaryen 安全漏洞 | |
| CVE-2021-46050 | Binaryen 缓冲区错误漏洞 | |
| CVE-2021-46052 | Binaryen 安全漏洞 | |
| CVE-2021-46053 | Binaryen 缓冲区错误漏洞 | |
| CVE-2021-46054 | Binaryen 安全漏洞 | |
| CVE-2021-46055 | Binaryen 安全漏洞 | |
| CVE-2021-30360 | Enterprise Endpoint Security 代码问题漏洞 | |
| CVE-2021-40011 | Huawei Smartphone 资源管理错误漏洞 | |
| CVE-2021-40010 | HUAWEI HarmonyOS 缓冲区错误漏洞 | |
| CVE-2021-39993 | Huawei Smartphone 输入验证错误漏洞 | |
| CVE-2021-39998 | Huawei HarmonyOS和Huawei HarmonyOS Wearables 安全漏洞 | |
| CVE-2021-39996 | Huawei HarmonyOS Wearables 缓冲区错误漏洞 | |
| CVE-2022-21823 | Ivanti Workspace Control 安全漏洞 | |
| CVE-2021-22060 | Vmware Spring Framework 安全漏洞 | |
| CVE-2021-44528 | Rails Action Pack 输入验证错误漏洞 | |
| CVE-2021-46146 | MediaWiki 跨站脚本漏洞 |
Showing top 20 of 37 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-23568
No comments yet