CVE-2023-33072

Q: What is the severity of CVE-2023-33072?

CVE-2023-33072 has a CVSS score of 9.3 (CRITICAL). This CVE describes a memory corruption vulnerability in Qualcomm Core components that could allow attackers to execute arbitrary code or cause denial of service. It affects devices using vulnerable Qualcomm chipsets, primarily mobile devices and IoT products.

9.3 CRITICAL

Remote Code Execution Denial of Service

📋 TL;DR

This CVE describes a memory corruption vulnerability in Qualcomm Core components that could allow attackers to execute arbitrary code or cause denial of service. It affects devices using vulnerable Qualcomm chipsets, primarily mobile devices and IoT products.

💻 Affected Systems

Products:

Qualcomm chipsets with vulnerable Core components

Versions: Specific versions not detailed in provided references; check Qualcomm advisory for exact affected versions

Operating Systems: Android, Linux-based systems using Qualcomm chips

Default Config Vulnerable: ⚠️ Yes

Notes: Affects devices with Qualcomm chipsets; exact models depend on chipset version and firmware

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution leading to complete device compromise, data theft, and persistent backdoor installation

🟠

Likely Case

Device crash/reboot (denial of service) or limited code execution in constrained contexts

🟢

If Mitigated

Contained impact with proper memory protections and exploit mitigations in place

🌐 Internet-Facing: HIGH - Can be exploited remotely without user interaction

🏢 Internal Only: HIGH - Network-accessible devices remain vulnerable internally

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ⚠️ Yes

Complexity: MEDIUM

Memory corruption vulnerabilities typically require specific knowledge of memory layout and control flow

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check device manufacturer for specific firmware updates

Vendor Advisory: https://www.qualcomm.com/company/product-security/bulletins/february-2024-bulletin

Restart Required: Yes

Instructions:

1. Check with device manufacturer for firmware updates 2. Apply Qualcomm-provided patches 3. Update device firmware 4. Reboot device

🔧 Temporary Workarounds

Network segmentation

all

Isolate affected devices from untrusted networks

Disable unnecessary services

all

Reduce attack surface by disabling unused network services

🧯 If You Can't Patch

Implement strict network access controls to limit exposure
Monitor for abnormal device behavior and memory-related crashes

🔍 How to Verify

Check if Vulnerable:

Check device firmware version against manufacturer's patched versions

Check Version:

Device-specific (e.g., Android: Settings > About phone > Build number)

Verify Fix Applied:

Verify firmware version matches or exceeds patched version from manufacturer

📡 Detection & Monitoring

Log Indicators:

Unexpected device reboots
Memory-related crash logs
Abnormal process termination

Network Indicators:

Unusual network traffic to/from affected devices
Exploit kit signatures

SIEM Query:

Device logs showing memory corruption errors or unexpected reboots

📊 Metadata

CVE ID: CVE-2023-33072

CVSS v3 Score: 9.3 (CRITICAL)

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE: CWE-120

Published: February 6, 2024

Last Updated: August 11, 2025

🔗 References

https://www.qualcomm.com/company/product-security/bulletins/february-2024-bulletin Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/february-2024-bulletin Vendor Advisory

📋 TL;DR

💻 Affected Systems

📦 What is this software?

315 5g Iot Modem Firmware by Qualcomm

9205 Lte Modem Firmware by Qualcomm

Aqt1000 Firmware by Qualcomm

Ar8031 Firmware by Qualcomm

Ar8035 Firmware by Qualcomm

Csra6620 Firmware by Qualcomm

Csra6640 Firmware by Qualcomm

Csrb31024 Firmware by Qualcomm

Fastconnect 6200 Firmware by Qualcomm

Fastconnect 6700 Firmware by Qualcomm

Fastconnect 6800 Firmware by Qualcomm

Fastconnect 6900 Firmware by Qualcomm

Fastconnect 7800 Firmware by Qualcomm

Flight Rb5 5g Platform Firmware by Qualcomm

Immersive Home 3210 Platform Firmware by Qualcomm

Immersive Home 326 Platform Firmware by Qualcomm

Ipq5302 Firmware by Qualcomm

Ipq5312 Firmware by Qualcomm

Ipq5332 Firmware by Qualcomm

Ipq9008 Firmware by Qualcomm

Ipq9554 Firmware by Qualcomm

Ipq9570 Firmware by Qualcomm

Ipq9574 Firmware by Qualcomm

Qam8255p Firmware by Qualcomm

Qam8295p Firmware by Qualcomm

Qam8650p Firmware by Qualcomm

Qam8775p Firmware by Qualcomm

Qamsrv1h Firmware by Qualcomm

Qamsrv1m Firmware by Qualcomm

Qca0000 Firmware by Qualcomm

Qca4004 Firmware by Qualcomm

Qca6174a Firmware by Qualcomm

Qca6310 Firmware by Qualcomm

Qca6335 Firmware by Qualcomm

Qca6391 Firmware by Qualcomm

Qca6420 Firmware by Qualcomm

Qca6421 Firmware by Qualcomm

Qca6426 Firmware by Qualcomm

Qca6430 Firmware by Qualcomm

Qca6431 Firmware by Qualcomm

Qca6436 Firmware by Qualcomm

Qca6564a Firmware by Qualcomm

Qca6564au Firmware by Qualcomm

Qca6574 Firmware by Qualcomm

Qca6574a Firmware by Qualcomm

Qca6574au Firmware by Qualcomm

Qca6584au Firmware by Qualcomm

Qca6595 Firmware by Qualcomm

Qca6595au Firmware by Qualcomm

Qca6696 Firmware by Qualcomm

Qca6698aq Firmware by Qualcomm

Qca6797aq Firmware by Qualcomm

Qca8075 Firmware by Qualcomm

Qca8081 Firmware by Qualcomm

Qca8082 Firmware by Qualcomm

Qca8084 Firmware by Qualcomm

Qca8085 Firmware by Qualcomm

Qca8337 Firmware by Qualcomm

Qca8386 Firmware by Qualcomm

Qca9377 Firmware by Qualcomm

Qca9984 Firmware by Qualcomm

Qcc710 Firmware by Qualcomm

Qcc711 Firmware by Qualcomm

Qcc7225 Firmware by Qualcomm

Qcc7226 Firmware by Qualcomm

Qcc7228 Firmware by Qualcomm

Qcf8000 Firmware by Qualcomm

Qcf8001 Firmware by Qualcomm

Qcm2290 Firmware by Qualcomm

Qcm4290 Firmware by Qualcomm

Qcm4325 Firmware by Qualcomm

Qcm4490 Firmware by Qualcomm

Qcm6490 Firmware by Qualcomm

Qcm8550 Firmware by Qualcomm

Qcn6024 Firmware by Qualcomm

Qcn6224 Firmware by Qualcomm

Qcn6274 Firmware by Qualcomm