CVE-2021-45885 : What You Need to Know
Discover the security vulnerability in Stormshield Network Security (SNS) versions 4.2.2 - 4.2.7 where the first SSH password change fails to clear the old password properly. Learn how to mitigate the risk and protect your system.
An issue was discovered in Stormshield Network Security (SNS) 4.2.2 through 4.2.7 (fixed in 4.2.8). This vulnerability allows the first SSH password change to not properly clear the old password.
Understanding CVE-2021-45885
What is CVE-2021-45885?
The vulnerability in Stormshield Network Security (SNS) versions 4.2.2 through 4.2.7 allows the first SSH password change to not clear the old password properly.
The Impact of CVE-2021-45885
This vulnerability could lead to a security breach as the old SSH password may remain accessible under specific update-migration scenarios.
Technical Details of CVE-2021-45885
Vulnerability Description
Under certain conditions during an SSH password change, the old password is not correctly cleared, potentially exposing sensitive information.
Affected Systems and Versions
- Product: Stormshield Network Security (SNS)
- Versions: 4.2.2 through 4.2.7
Exploitation Mechanism
Attackers could exploit this vulnerability by leveraging the failure to clear the old SSH password to gain unauthorized access.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade to version 4.2.8 of Stormshield Network Security (SNS) where the vulnerability is fixed.
- Monitor for any unauthorized SSH access or suspicious activities.
Long-Term Security Practices
- Implement regular password changes and ensure proper clearance of old passwords.
Patching and Updates
- Stay updated with security patches and vendor recommendations to address vulnerabilities promptly.