Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2022-2421— Socket.io - Improper type validation in attachment parsing

Quick assessment

Affected
Socket.io Socket.io-Parser
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.

Socket.IO是Socket.IO公司的一个面向实时web 应用的 JavaScript 库。 Socket.IO 存在安全漏洞，该漏洞源于附件解析Socket.io js库时的类型验证不正确。

CVSS 10.0 · Critical EPSS 1.17% · P65

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2022-2421

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Socket.io - Improper type validation in attachment parsing
Source: CVE Program / CVE List V5
Vulnerability Description
Due to improper type validation in attachment parsing the Socket.io js library, it is possible to overwrite the _placeholder object which allows an attacker to place references to functions at arbitrary places in the resulting query object.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Socket.IO SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Socket.IO是Socket.IO公司的一个面向实时web 应用的 JavaScript 库。 Socket.IO 存在安全漏洞，该漏洞源于附件解析Socket.io js库时的类型验证不正确。
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
Socket.io Socket.io-Parser 4.x ~ 4.2.1 -

II. Public POCs for CVE-2022-2421

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2022-2421

请登录查看更多情报信息。

Other References for CVE-2022-2421 (2)

IV. Related Vulnerabilities

Same product: Socket.io-Parser
Same weakness: CWE-89

V. Comments for CVE-2022-2421

No comments yet

Leave a comment