CVE-2021-47865

Signals

NVD · CVE-2026-7529 · 7.5 · The wiseCampaign – WooCommerce Conversions Made Easy plugin for WordPress is vulnerable to unauthorized modification and disclosure of data due to every one of NVD · CVE-2026-7456 · 6.5 · The Udimi Tools plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `ajax_disconnect()` function inNVD · CVE-2026-67623 · 8.8 · Mistral Vibe before 2.23.3 contains a remote code execution vulnerability that allows attackers to execute arbitrary commands by embedding a malicious core.fsmoNVD · CVE-2026-17506 · 7.2 · The Independent Analytics plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 404 not_found_url tracking parameter in versions up to, and CISA KEV · CVE-2026-18556 · 7.4 · N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability · Added 2026-08-04 · Due 2026-08-07CISA KEV · CVE-2026-34486 · 9.8 · Apache Tomcat Missing Encryption of Sensitive Data Vulnerability · Added 2026-08-04 · Due 2026-08-07NVD · CVE-2026-7529 · 7.5 · The wiseCampaign – WooCommerce Conversions Made Easy plugin for WordPress is vulnerable to unauthorized modification and disclosure of data due to every one of NVD · CVE-2026-7456 · 6.5 · The Udimi Tools plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `ajax_disconnect()` function inNVD · CVE-2026-67623 · 8.8 · Mistral Vibe before 2.23.3 contains a remote code execution vulnerability that allows attackers to execute arbitrary commands by embedding a malicious core.fsmoNVD · CVE-2026-17506 · 7.2 · The Independent Analytics plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 404 not_found_url tracking parameter in versions up to, and CISA KEV · CVE-2026-18556 · 7.4 · N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability · Added 2026-08-04 · Due 2026-08-07CISA KEV · CVE-2026-34486 · 9.8 · Apache Tomcat Missing Encryption of Sensitive Data Vulnerability · Added 2026-08-04 · Due 2026-08-07

CVE Database · CVE-2021-47865

CVE-2021-47865

· HIGHDeferred

CVSS v3.1

7.5

CVSS v4.0

8.7

EPSS

0.54%

Published

Jan 21, 2026

Modified

Apr 14, 2026

Public PoC / Exploit (1)

All weaponized →

TrickestTrickest PoC index

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-770

References (4)

http://www.proftpd.org/

https://github.com/proftpd/proftpd/issues/1298

https://www.exploit-db.com/exploits/49697

https://www.vulncheck.com/advisories/proftpd-a-remote-denial-of-service

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