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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-47865— ProFTPD 1.3.7a - Remote Denial of Service

Quick assessment

Affected
ProFTPD ProFTPD
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.

ProFTPD是ProFTPD开源的一套可配置性强的开放源代码的FTP服务器软件。 ProFTPD 1.3.7a版本存在安全漏洞，该漏洞源于攻击者可创建多个同时FTP连接，可能导致服务器拒绝服务。

CVSS 7.5 · High EPSS 0.61% · P47

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-47865

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
ProFTPD 1.3.7a - Remote Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections. Attackers can repeatedly establish connections using threading to exhaust server connection limits and block legitimate user access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
ProFTPD 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ProFTPD是ProFTPD开源的一套可配置性强的开放源代码的FTP服务器软件。 ProFTPD 1.3.7a版本存在安全漏洞，该漏洞源于攻击者可创建多个同时FTP连接，可能导致服务器拒绝服务。
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
ProFTPD ProFTPD 1.3.7a -

II. Public POCs for CVE-2021-47865

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-47865

请登录查看更多情报信息。

IV. Related Vulnerabilities

Same product: ProFTPD
Same vendor: ProFTPD
Same weakness: CWE-770

V. Comments for CVE-2021-47865

No comments yet

Leave a comment