CVE-2021-44155 : What You Need to Know
Learn about CVE-2021-44155, a security flaw in Reprise RLM 14.2 that allows user enumeration. Explore impact, technical details, and mitigation steps.
A vulnerability in Reprise RLM 14.2 allows attackers to enumerate valid users during the login process.
Understanding CVE-2021-44155
What is CVE-2021-44155?
CVE-2021-44155 is a security issue discovered in /goform/login_process in Reprise RLM 14.2. It enables attackers to determine valid usernames by observing the system's response during login attempts.
The Impact of CVE-2021-44155
This vulnerability could lead to unauthorized access to the system and poses a risk of user enumeration, potentially aiding further attacks.
Technical Details of CVE-2021-44155
Vulnerability Description
The issue arises in the login process of Reprise RLM 14.2, where a valid username triggers a specific response that differs from an invalid username, providing attackers with a method to identify existing usernames.
Affected Systems and Versions
- Vendor: N/A
- Product: N/A
- Version: 14.2
Exploitation Mechanism
Attackers exploit the difference in system responses to login attempts, using the absence of a specific string for invalid usernames to enumerate valid ones.
Mitigation and Prevention
Immediate Steps to Take
- Monitor login attempts for unusual patterns
- Implement multi-factor authentication
- Regularly review and update user accounts and access
Long-Term Security Practices
- Conduct regular security assessments and audits
- Provide security awareness training for users and administrators
- Keep software and systems up to date
Patching and Updates
Patch the vulnerability by updating Reprise RLM to a secure version.