CVE-2020-4809 : Exploit Details and Defense Strategies
Learn about CVE-2020-4809, a medium-severity vulnerability in IBM Edge 4.2 allowing unauthorized access to locally stored web pages. Find mitigation steps and patching details here.
IBM Edge 4.2 allows web pages to be stored locally, potentially exposing sensitive information to unauthorized users.
Understanding CVE-2020-4809
IBM Edge 4.2 vulnerability allows local users to access web pages stored on the system, posing a risk of information disclosure.
What is CVE-2020-4809?
CVE-2020-4809 is a medium-severity vulnerability in IBM Edge 4.2 that enables one user to read web pages stored locally by another user on the same system.
The Impact of CVE-2020-4809
The vulnerability could lead to unauthorized access to sensitive information stored in web pages, compromising confidentiality.
Technical Details of CVE-2020-4809
IBM Edge 4.2 vulnerability details and affected systems.
Vulnerability Description
- CVSS Base Score: 4.0 (Medium)
- Attack Vector: Local
- Attack Complexity: Low
- Confidentiality Impact: Low
- Integrity Impact: None
- Privileges Required: None
- Exploit Code Maturity: Unproven
Affected Systems and Versions
- Affected Product: IBM Edge
- Affected Version: 4.2
Exploitation Mechanism
The vulnerability allows a local user to access web pages stored by another user on the system, potentially leading to information disclosure.
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2020-4809 vulnerability.
Immediate Steps to Take
- Users should avoid storing sensitive information in web pages locally.
- Regularly monitor and restrict access to stored web pages.
Long-Term Security Practices
- Implement access controls to limit user permissions.
- Educate users on secure data handling practices.
Patching and Updates
Apply official fixes provided by IBM to address the vulnerability and enhance system security.