CVE-2022-31641

Q: What is the severity of CVE-2022-31641?

CVE-2022-31641 has a CVSS score of 7.0 (HIGH). This CVE describes vulnerabilities in the system BIOS of certain HP PC products that could allow attackers to execute arbitrary code, escalate privileges, cause denial of service, or disclose sensitive information. The vulnerability affects HP PC users with specific BIOS versions. Attackers would need physical or administrative access to exploit these flaws.

7.0 HIGH

📋 TL;DR

This CVE describes vulnerabilities in the system BIOS of certain HP PC products that could allow attackers to execute arbitrary code, escalate privileges, cause denial of service, or disclose sensitive information. The vulnerability affects HP PC users with specific BIOS versions. Attackers would need physical or administrative access to exploit these flaws.

💻 Affected Systems

Products:

HP PC products with specific BIOS versions

Versions: Specific BIOS versions listed in HP advisory HPSBHF03805

Operating Systems: All operating systems running on affected hardware

Default Config Vulnerable: ⚠️ Yes

Notes: Only specific HP PC models with vulnerable BIOS versions are affected. Check HP's advisory for exact model and BIOS version details.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

An attacker with physical or administrative access could gain complete control of the system, bypassing all security controls, installing persistent malware in firmware, and accessing all data on the device.

🟠

Likely Case

Malicious insiders or attackers with physical access could gain elevated privileges, install backdoors, or cause system instability requiring hardware replacement.

🟢

If Mitigated

With proper physical security controls and administrative access restrictions, the risk is significantly reduced as exploitation requires local access.

🌐 Internet-Facing: LOW - This vulnerability requires local access to the system and cannot be exploited remotely over the internet.

🏢 Internal Only: MEDIUM - Internal attackers with physical or administrative access could exploit this vulnerability, making it a concern for insider threats and physical security breaches.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Exploitation requires physical access or administrative privileges. No public exploit code has been released as of the advisory date.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: BIOS updates specified in HP advisory HPSBHF03805

Vendor Advisory: https://support.hp.com/us-en/document/ish_6662920-6662944-16/hpsbhf03805

Restart Required: Yes

Instructions:

1. Identify your HP PC model and current BIOS version. 2. Visit HP's support website. 3. Download the BIOS update for your specific model. 4. Run the BIOS update utility. 5. Restart the system as prompted. 6. Verify the BIOS version has been updated.

🔧 Temporary Workarounds

Physical Security Controls

all

Implement strict physical security measures to prevent unauthorized access to devices

Administrative Access Restrictions

all

Limit administrative privileges to trusted personnel only

🧯 If You Can't Patch

Implement strict physical security controls and device access monitoring
Isolate affected systems from sensitive networks and data

🔍 How to Verify

Check if Vulnerable:

Check your HP PC model and BIOS version against the affected list in HP advisory HPSBHF03805

Check Version:

Windows: Run 'wmic bios get smbiosbiosversion' in Command Prompt. Linux: Run 'sudo dmidecode -s bios-version' in terminal.

Verify Fix Applied:

Verify the BIOS version has been updated to a version not listed in the HP advisory

📡 Detection & Monitoring

Log Indicators:

BIOS/UEFI firmware modification events
Unauthorized physical access attempts
Unexpected system restarts or BIOS configuration changes

Network Indicators:

Not applicable - local access required

SIEM Query:

Search for BIOS/UEFI firmware update events or unauthorized physical access logs

📊 Metadata

CVE ID: CVE-2022-31641

CVSS v3 Score: 7.0 (HIGH)

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

CWE: CWE-367

Published: June 14, 2023

Last Updated: December 30, 2024

🔗 References

https://support.hp.com/us-en/document/ish_6662920-6662944-16/hpsbhf03805 Vendor Advisory
https://support.hp.com/us-en/document/ish_6662920-6662944-16/hpsbhf03805 Vendor Advisory

📋 TL;DR

💻 Affected Systems

📦 What is this software?

Elite Dragonfly Firmware by Hp

Elite Dragonfly G2 Firmware by Hp

Elite Dragonfly G3 Firmware by Hp

Elite Dragonfly G3 Firmware by Hp

Elite Dragonfly Max Firmware by Hp

Elite Mini 600 G9 Firmware by Hp

Elite Mini 800 G9 Firmware by Hp

Elite Sff 600 G9 Firmware by Hp

Elite Sff 800 G9 Firmware by Hp

Elite Slice G2 Firmware by Hp

Elite Tower 600 G9 Firmware by Hp

Elite Tower 680 G9 Firmware by Hp

Elite Tower 800 G9 Firmware by Hp

Elite Tower 880 G9 Firmware by Hp

Elite X2 1012 G2 Firmware by Hp

Elite X2 1013 G3 Firmware by Hp

Elite X2 G4 Firmware by Hp

Elite X2 G8 Firmware by Hp

Elite X360 1040 G9 Firmware by Hp

Elite X360 830 G9 Firmware by Hp

Elitebook 1040 G4 Firmware by Hp

Elitebook 1040 G9 Firmware by Hp

Elitebook 1050 G1 Firmware by Hp

Elitebook 630 G9 Firmware by Hp

Elitebook 640 G9 Firmware by Hp

Elitebook 645 G9 Firmware by Hp

Elitebook 650 G9 Firmware by Hp

Elitebook 655 G9 Firmware by Hp

Elitebook 725 G4 Firmware by Hp

Elitebook 735 G5 Firmware by Hp

Elitebook 735 G6 Firmware by Hp

Elitebook 745 G4 Firmware by Hp

Elitebook 745 G5 Firmware by Hp

Elitebook 745 G6 Firmware by Hp

Elitebook 755 G4 Firmware by Hp

Elitebook 755 G5 Firmware by Hp

Elitebook 820 G4 Firmware by Hp

Elitebook 828 G4 Firmware by Hp

Elitebook 830 G5 Firmware by Hp

Elitebook 830 G6 Firmware by Hp

Elitebook 830 G7 Firmware by Hp

Elitebook 830 G8 Firmware by Hp

Elitebook 830 G9 Firmware by Hp

Elitebook 835 G7 Firmware by Hp

Elitebook 835 G8 Firmware by Hp

Elitebook 835 G9 Firmware by Hp

Elitebook 836 G5 Firmware by Hp

Elitebook 836 G6 Firmware by Hp

Elitebook 840 Aero G8 Firmware by Hp

Elitebook 840 G4 Firmware by Hp

Elitebook 840 G5 Firmware by Hp

Elitebook 840 G5 Healthcare Edition Firmware by Hp

Elitebook 840 G6 Firmware by Hp

Elitebook 840 G6 Healthcare Edition Firmware by Hp

Elitebook 840 G7 Firmware by Hp

Elitebook 840 G8 Firmware by Hp

Elitebook 840 G9 Firmware by Hp

Elitebook 840r G4 Firmware by Hp

Elitebook 845 G7 Firmware by Hp

Elitebook 845 G8 Firmware by Hp

Elitebook 845 G9 Firmware by Hp

Elitebook 846 G5 Firmware by Hp

Elitebook 846 G5 Healthcare Edition Firmware by Hp

Elitebook 846r G4 Firmware by Hp

Elitebook 848 G4 Firmware by Hp

Elitebook 850 G4 Firmware by Hp

Elitebook 850 G5 Firmware by Hp

Elitebook 850 G6 Firmware by Hp

Elitebook 850 G7 Firmware by Hp

Elitebook 850 G8 Firmware by Hp

Elitebook 855 G7 Firmware by Hp

Elitebook 855 G8 Firmware by Hp

Elitebook 860 G9 Firmware by Hp

Elitebook 865 G9 Firmware by Hp

Elitebook X360 1020 G2 Firmware by Hp

Elitebook X360 1030 G2 Firmware by Hp

Elitebook X360 1030 G3 Firmware by Hp