CVE-2021-20870 : What You Need to Know
Discover the details of CVE-2021-20870, a vulnerability in KONICA MINOLTA bizhub series allowing physical attackers to intercept unsent scanned image data. Learn about the impact, affected systems, exploitation, and mitigation steps.
A vulnerability in the KONICA MINOLTA bizhub series allows a physical attacker to access unsent scanned image data due to improper handling of exceptional conditions.
Understanding CVE-2021-20870
This CVE pertains to a security flaw in KONICA MINOLTA bizhub series that could potentially expose sensitive data to unauthorized parties.
What is CVE-2021-20870?
The vulnerability stems from the mishandling of exceptional conditions in the bizhub series, enabling a physical attacker to retrieve scanned image data before transmission completes.
The Impact of CVE-2021-20870
The impact of this vulnerability is significant as it poses a risk of data exposure and potential unauthorized access to sensitive information stored within the affected devices.
Technical Details of CVE-2021-20870
This section provides deeper insights into the vulnerability affecting the KONICA MINOLTA bizhub series.
Vulnerability Description
The vulnerability arises from the improper handling of exceptional conditions, wherein a physical attacker can exploit the flaw to intercept unsent scanned image data.
Affected Systems and Versions
The affected products include various models of the bizhub series such as C750i, C650i, C550i, C450i, C360i, C300i, and many others with specific firmware versions.
Exploitation Mechanism
An attacker can exploit the vulnerability by interrupting the scan job due to network errors and ejecting the hard disk drive (HDD) before the transmission timeout, thereby gaining access to sensitive data.
Mitigation and Prevention
To address CVE-2021-20870, immediate steps should be taken along with long-term security practices to enhance the overall protection of the affected devices.
Immediate Steps to Take
It is recommended to apply security patches provided by KONICA MINOLTA promptly to mitigate the vulnerability and prevent potential exploitation.
Long-Term Security Practices
Incorporating robust security measures, regular system updates, and implementing access controls can help fortify the devices against future threats.
Patching and Updates
Regularly check for firmware updates and security advisories from KONICA MINOLTA to ensure that the devices are running the latest patches and protected against known vulnerabilities.