CVE-2022-22836

MEDIUM

CoreFTP Server < 727 - Authenticated Path Traversal via HTTP PUT Request

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2022-22836. PoCs published by LiamInfosec.

AI-analyzed exploit summary This exploit demonstrates a directory traversal vulnerability in CoreFTP Server build 725 and below, allowing an authenticated attacker to create files outside the intended directory via HTTP PUT requests with ../ sequences.

Description

CoreFTP Server before 727 allows directory traversal (for file creation) by an authenticated attacker via ../ in an HTTP PUT request.

Exploits (1)

exploitdb WORKING POC
by LiamInfosec · textremotewindows
https://www.exploit-db.com/exploits/50652

This exploit demonstrates a directory traversal vulnerability in CoreFTP Server build 725 and below, allowing an authenticated attacker to create files outside the intended directory via HTTP PUT requests with ../ sequences.

Classification
Working Poc 95%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: CoreFTP Server build 725 and below
Auth required
Prerequisites: Authenticated access to CoreFTP Server · Network access to the target server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://yoursecuritybores.me/coreftp-vulnerabilities/
Release Notes, Vendor Advisory x_refsource_misc
http://www.coreftp.com/forums/viewtopic.php?f=15&t=4022509

Scores

CVSS v3 6.5
EPSS 0.0537
EPSS Percentile 91.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-22
Status published
Products (2)
coreftp/core_ftp 2.0 build_639 (39 CPE variants)
coreftp/core_ftp < 1.2
Published Jan 10, 2022
Tracked Since Feb 18, 2026