CVE-2021-35520 : What You Need to Know

A Buffer Overflow vulnerability in Thrift command handlers in IDEMIA Morpho Wave Compact and VisionPass devices before 2.6.2 allows physically proximate authenticated attackers to achieve code execution, denial of services, and information disclosure via serial ports.

Understanding CVE-2021-35520

This CVE involves a Buffer Overflow issue in specific IDEMIA devices, potentially leading to severe security risks.

What is CVE-2021-35520?

CVE-2021-35520 highlights a vulnerability in IDEMIA Morpho Wave Compact and VisionPass devices that could be exploited by authenticated attackers in close physical proximity.

The Impact of CVE-2021-35520

The security flaw could result in code execution, denial of services, and unauthorized information disclosure through the devices' serial ports.

Technical Details of CVE-2021-35520

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The Buffer Overflow in Thrift command handlers allows attackers to manipulate the devices' functionality, posing significant security risks.

Affected Systems and Versions

IDEMIA Morpho Wave Compact and VisionPass devices before version 2.6.2 are impacted by this vulnerability.

Exploitation Mechanism

Physically proximate authenticated attackers can exploit this vulnerability via the devices' serial ports.

Mitigation and Prevention

Discover the necessary measures to mitigate the risks associated with CVE-2021-35520.

Immediate Steps to Take

Organizations should implement strict access controls, monitor device activities, and restrict physical access to vulnerable devices.

Long-Term Security Practices

Regular security assessments, firmware updates, and employee training on device security are crucial to enhance long-term security.

Patching and Updates

Ensure timely installation of security patches and firmware updates provided by IDEMIA to address the identified vulnerability.