CVE-2021-43774 : Exploit Details and Defense Strategies
Learn about CVE-2021-43774, a risky-algorithm vulnerability on Fujifilm DocuCentre-VI C4471 1.8 printers allowing attackers to access usernames and passwords. Find mitigation steps and security practices.
A risky-algorithm issue was discovered on Fujifilm DocuCentre-VI C4471 1.8 devices. An attacker could access the address book file containing usernames and passwords through the administrative web interface.
Understanding CVE-2021-43774
What is CVE-2021-43774?
The vulnerability allows attackers to retrieve encrypted passwords using a weak cipher, such as ROT13, from the address book file on Fujifilm DocuCentre-VI C4471 1.8 printers.
The Impact of CVE-2021-43774
The vulnerability exposes domain and FTP user passwords to potential unauthorized access.
Technical Details of CVE-2021-43774
Vulnerability Description
- Risky-algorithm issue on Fujifilm DocuCentre-VI C4471 1.8 printers
- Weak cipher (e.g., ROT13) used to encrypt passwords
Affected Systems and Versions
- Fujifilm DocuCentre-VI C4471 1.8 devices
- All versions affected
Exploitation Mechanism
- Attacker gains access to administrative web interface
- Downloads address book file containing encrypted passwords
Mitigation and Prevention
Immediate Steps to Take
- Change default credentials on printers
- Restrict access to the administrative web interface
Long-Term Security Practices
- Implement strong password policies
- Regularly update firmware and security patches
Patching and Updates
Apply relevant security patches provided by Fujifilm to address the vulnerability.