CVE-2021-3965 : What You Need to Know
Learn about CVE-2021-3965 affecting certain HP DesignJet Printers, allowing unauthorized access to print job previews. Find mitigation steps to secure vulnerable systems.
Certain HP DesignJet products may be vulnerable to unauthenticated HTTP requests which allow viewing and downloading of print job previews.
Understanding CVE-2021-3965
This CVE-2021-3965 vulnerability affects HP DesignJet Printers, enabling attackers to access print job previews via unauthenticated HTTP requests.
What is CVE-2021-3965?
CVE-2021-3965 exposes a security flaw in certain HP DesignJet printers, allowing unauthorized users to view and download print job previews without authentication.
The Impact of CVE-2021-3965
The vulnerability poses a risk of unauthorized access to sensitive print job previews, potentially leading to data leakage and privacy breaches.
Technical Details of CVE-2021-3965
The vulnerability involves insecure direct object references, specifically affecting HP DesignJet Printer versions before MRY_07_07_04.1, AENEAS_04_09_06.1, PTR8_03_07_06.1, PX8_06_05_02.1, and PX6_06_05_02.1.
Vulnerability Description
Certain HP DesignJet models are susceptible to unauthenticated HTTP requests that allow users to view and download print job previews.
Affected Systems and Versions
HP DesignJet Printer versions before MRY_07_07_04.1, AENEAS_04_09_06.1, PTR8_03_07_06.1, PX8_06_05_02.1, and PX6_06_05_02.1 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending unauthorized HTTP requests to the affected HP DesignJet printers to access print job previews.
Mitigation and Prevention
It is crucial to take immediate steps to secure vulnerable HP DesignJet Printers and implement long-term security practices.
Immediate Steps to Take
Users should restrict network access to the printers, apply security patches, and monitor for any unauthorized access attempts.
Long-Term Security Practices
Regularly update firmware, configure secure network settings, and educate users on best security practices to prevent unauthorized access.
Patching and Updates
HP may release patches or updates to address this vulnerability. Stay informed about security advisories and apply patches promptly to mitigate the risk of exploitation.