CVE-2020-28993

HIGH

ATX miniCMTS200a Broadband Gateway and Pico CMTS <= 2.0 - Unauthenticated Path Traversal

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-28993. PoCs published by Zagros Bingol.

AI-analyzed exploit summary This exploit discloses credentials by fetching the 'user.ini' file from ATX MiniCMTS200a Broadband Gateway 2.0, extracting usernames and MD5 hashes via regex. It leverages an unauthenticated information disclosure vulnerability.

Description

A Directory Traversal vulnerability exists in ATX miniCMTS200a Broadband Gateway through 2.0 and Pico CMTS through 2.0. Successful exploitation of this vulnerability would allow an unauthenticated attacker to retrieve administrator credentials by sending a malicious POST request.

Exploits (1)

exploitdb WORKING POC
by Zagros Bingol · pythonwebappshardware
https://www.exploit-db.com/exploits/49124

This exploit discloses credentials by fetching the 'user.ini' file from ATX MiniCMTS200a Broadband Gateway 2.0, extracting usernames and MD5 hashes via regex. It leverages an unauthenticated information disclosure vulnerability.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: ATX MiniCMTS200a Broadband Gateway 2.0 and earlier
No auth needed
Prerequisites: Network access to the target device · HTTP/HTTPS access to the '/inc/user.ini' endpoint
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/49124

Scores

CVSS v3 7.5
EPSS 0.0277
EPSS Percentile 84.4%
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)
atx/minicmts200a_firmware < 2.0
Published Dec 01, 2020
Tracked Since Feb 18, 2026