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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-40491

Quick assessment

Affected
n/a n/a
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.

GNU Inetutils是GNU社区的一组常见的网络程序。 GNU Inetutils 2.2之前版本存在安全漏洞，该漏洞源于客户端不会验证 PASV/LSPV 响应返回的地址以确保它们与服务器地址匹配。

AI Predicted 7.5 Difficulty: Moderate EPSS 1.03% · P62

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-2021-40491

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The ftp client in GNU Inetutils before 2.2 does not validate addresses returned by PASV/LSPV responses to make sure they match the server address. This is similar to CVE-2020-8284 for curl.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
GNU Inetutils数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU Inetutils是GNU社区的一组常见的网络程序。 GNU Inetutils 2.2之前版本存在安全漏洞，该漏洞源于客户端不会验证 PASV/LSPV 响应返回的地址以确保它们与服务器地址匹配。
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
- n/a n/a -

II. Public POCs for CVE-2021-40491

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-40491

请登录查看更多情报信息。

Mailing List Discussions for CVE-2021-40491 (2)

Other References for CVE-2021-40491 (1)

Same Patch Batch · n/a · 2021-09-03 · 5 CVEs total

CVE-2021-23437 7.5 HIGH Regular Expression Denial of Service (ReDoS)
CVE-2021-40492 Gibbon 跨站脚本漏洞
CVE-2021-40494 AdaptiveScale LXDUI 信任管理问题漏洞
CVE-2021-40490 Linux kernel 竞争条件问题漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-40491

No comments yet

Leave a comment