CVE-2023-22960

HIGH

Lexmark B2236 Firmware < mslsg.081.233 - Improper Access Control

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-22960. PoCs published by t3l3machus.

AI-analyzed exploit summary This repository contains functional Python scripts that exploit CVE-2023-22960, a brute-force prevention bypass vulnerability in Lexmark printers. The scripts demonstrate credential and PIN brute-forcing by manipulating the 'authId' parameter in login requests.

Description

Lexmark products through 2023-01-10 have Improper Control of Interaction Frequency.

Exploits (1)

nomisec WORKING POC 90 stars
by t3l3machus · poc
https://github.com/t3l3machus/CVE-2023-22960

This repository contains functional Python scripts that exploit CVE-2023-22960, a brute-force prevention bypass vulnerability in Lexmark printers. The scripts demonstrate credential and PIN brute-forcing by manipulating the 'authId' parameter in login requests.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Reliable
Target: Lexmark Embedded Web Server (firmware versions before 01/2023)
No auth needed
Prerequisites: Network access to the Lexmark printer's web interface · List of usernames/passwords or PINs for brute-forcing
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.2777
EPSS Percentile 97.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-284 CWE-307
Status published
Products (50)
lexmark/b2236_firmware < mslsg.081.233
lexmark/b2338_firmware < msngm.081.233
lexmark/b2442_firmware < msngm.081.233
lexmark/b2546_firmware < msngm.081.233
lexmark/b2650_firmware < msngm.081.233
lexmark/b2865_firmware < msngw.081.233
lexmark/b3340_firmware < mslbd.081.233
lexmark/b3442_firmware < mslbd.081.233
lexmark/c2240_firmware < cstzj.081.233
lexmark/c2325_firmware < csnzj.081.233
... and 40 more
Published Jan 23, 2023
Tracked Since Feb 18, 2026