CVE-2021-33115 : What You Need to Know

A vulnerability in Intel(R) PROSet/Wireless WiFi in UEFI could allow an unauthenticated user to potentially escalate privileges via adjacent access.

Understanding CVE-2021-33115

This CVE-2021-33115 vulnerability involves improper input validation in Intel(R) PROSet/Wireless WiFi in UEFI, which may lead to an escalation of privilege by an unauthorized user.

What is CVE-2021-33115?

The CVE-2021-33115 vulnerability in Intel(R) PROSet/Wireless WiFi in UEFI is due to improper input validation that may enable an unauthenticated attacker to achieve escalation of privilege.

The Impact of CVE-2021-33115

If exploited, this vulnerability could allow an unauthorized user to escalate privileges on the affected system, potentially leading to unauthorized actions and compromise of sensitive information.

Technical Details of CVE-2021-33115

This section provides insight into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability arises from improper input validation in Intel(R) PROSet/Wireless WiFi in UEFI, enabling unauthorized users to potentially escalate privileges.

Affected Systems and Versions

The affected product is Intel(R) PROSet/Wireless WiFi in UEFI. The specific affected versions can be found by referring to the provided references.

Exploitation Mechanism

An unauthenticated user could exploit this vulnerability via adjacent access, thereby enabling an escalation of privilege on the system.

Mitigation and Prevention

Protecting against CVE-2021-33115 requires immediate action, along with establishing long-term security practices and applying necessary patches and updates.

Immediate Steps to Take

Immediately review the Intel security advisory and follow recommended mitigation steps, such as applying patches or workarounds provided by the vendor.

Long-Term Security Practices

Implement robust security measures, including access controls, network segmentation, and regular security audits to prevent unauthorized privilege escalation incidents.

Patching and Updates

Stay informed about security updates from Intel and promptly apply patches to address CVE-2021-33115 and mitigate the risk of privilege escalation.