CVE-2024-30212

HIGH

MPLAB Harmony 3 Core Module 3.0.0-3.13.3 - Unauthenticated Arbitrary Memory Read and Write via SCSI READ(10) Command

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2024-30212. PoCs published by Fehr-GmbH.

AI-analyzed exploit summary This repository contains a functional proof-of-concept exploit for CVE-2024-30212, targeting a USB mass storage device vulnerability. The exploit uses libusb to interact with the device, allowing arbitrary read/write operations to memory.

Description

If a SCSI READ(10) command is initiated via USB using the largest LBA (0xFFFFFFFF) with it's default block size of 512 and a count of 1, the first 512 byte of the 0x80000000 memory area is returned to the user. If the block count is increased, the full RAM can be exposed. The same method works to write to this memory area. If RAM contains pointers, those can be - depending on the application - overwritten to return data from any other offset including Progam and Boot Flash.

Exploits (1)

nomisec WORKING POC 1 stars
by Fehr-GmbH · poc
https://github.com/Fehr-GmbH/blackleak

This repository contains a functional proof-of-concept exploit for CVE-2024-30212, targeting a USB mass storage device vulnerability. The exploit uses libusb to interact with the device, allowing arbitrary read/write operations to memory.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: USB mass storage device (specific vendor/model not specified)
No auth needed
Prerequisites: libusb-1.0-0-dev · USB device with matching VID/PID
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Scores

CVSS v4 7.0
EPSS 0.0057
EPSS Percentile 42.5%
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-190
Status published
Products (1)
Microchip/MPLAB® Harmony 3 Core Module 3.0.0 - 3.13.4
Published May 28, 2024
Tracked Since Feb 18, 2026