CVE-2021-39300 : What You Need to Know
Discover the impact of CVE-2021-39300, UEFI firmware vulnerabilities affecting HP Business Notebook PCs, Business Desktop PCs, Retail Point-of-Sale Systems, and Workstations. Learn about the affected versions and mitigation steps.
Potential vulnerabilities have been identified in UEFI firmware (BIOS) for Business Notebook PCs, Business Desktop PCs, Retail Point-of-Sale Systems, and Workstations. Find out more details, impacts, and mitigation steps.
Understanding CVE-2021-39300
UEFI firmware vulnerabilities have been found in various HP products, potentially leading to privilege escalation and arbitrary code execution.
What is CVE-2021-39300?
- Type: UEFI firmware vulnerability
- Products affected: Business Notebook PCs, Business Desktop PCs, Retail Point-of-Sale Systems, Workstations
- Vendor: n/a
The Impact of CVE-2021-39300
Potential consequences of these vulnerabilities include:
- Escalation of privilege
- Arbitrary code execution
Technical Details of CVE-2021-39300
UEFI firmware vulnerabilities in HP products pose specific risks and impact various systems.
Vulnerability Description
The vulnerabilities identified may allow unauthorized escalation of privileges and execution of arbitrary code.
Affected Systems and Versions
The following versions are affected:
- Business Notebook PCs BIOS: versions before 01.12.00
- Business Desktop PCs BIOS: versions before 01.08.00
- Retail Point-of-Sale Systems BIOS: versions before 01.19.00
- Workstations BIOS: versions before 01.08.02, 01.08.01, 02.17.00, 02.18.00, 02.12.00, 02.10.00, 02.07.00, 02.03.00, 02.75, and 2.58
Exploitation Mechanism
The vulnerabilities could be exploited for privilege escalation by executing arbitrary code in impacted systems.
Mitigation and Prevention
Understanding the vulnerabilities is crucial to implementing effective mitigation strategies and preventing potential exploits.
Immediate Steps to Take
- Update BIOS to the latest patched version
- Implement security best practices for BIOS protection
- Monitor for unauthorized activities
Long-Term Security Practices
- Regularly update firmware and BIOS
- Conduct security assessments and audits
- Educate users on security awareness
Patching and Updates
- HP has provided patches for the affected BIOS versions, ensuring that systems are protected against these vulnerabilities.