CVE-2021-42183

HIGH

MasaCMS 7.2.1 - Path Traversal via /index.cfm/_api/asset/image/

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-42183. PoCs published by 0xRaw.

AI-analyzed exploit summary This repository provides a proof-of-concept for a path traversal vulnerability in MasaCMS 7.2.1, allowing unauthorized file reading via the `/index.cfm/_api/asset/image/` endpoint. The exploit demonstrates reading sensitive files like `Application.cfc` and `settings.ini.cfm` using directory traversal sequences.

Description

MasaCMS 7.2.1 is affected by a path traversal vulnerability in /index.cfm/_api/asset/image/.

Exploits (1)

nomisec WORKING POC
by 0xRaw · poc
https://github.com/0xRaw/CVE-2021-42183

This repository provides a proof-of-concept for a path traversal vulnerability in MasaCMS 7.2.1, allowing unauthorized file reading via the `/index.cfm/_api/asset/image/` endpoint. The exploit demonstrates reading sensitive files like `Application.cfc` and `settings.ini.cfm` using directory traversal sequences.

Classification
Working Poc 90%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MasaCMS 7.2.1
No auth needed
Prerequisites: Access to the target MasaCMS instance
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Product, Third Party Advisory x_refsource_misc
https://github.com/MasaCMS/MasaCMS
Exploit, Third Party Advisory x_refsource_misc
https://github.com/0xRaw/CVE-2021-42183

Scores

CVSS v3 7.5
EPSS 0.0451
EPSS Percentile 90.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-22
Status published
Products (1)
masacms/masacms 7.2.1
Published May 05, 2022
Tracked Since Feb 18, 2026