CVE-2020-4849 : Exploit Details and Defense Strategies
Learn about CVE-2020-4849 affecting IBM Tivoli Netcool Impact 7.1.0.0 through 7.1.0.19 Interim Fix 7, allowing remote attackers to bypass security restrictions and redirect users to phishing sites. Find mitigation steps and long-term security practices.
IBM Tivoli Netcool Impact 7.1.0.0 through 7.1.0.19 Interim Fix 7 has a vulnerability that could allow a remote attacker to bypass security restrictions, potentially leading to phishing attacks.
Understanding CVE-2020-4849
IBM Tivoli Netcool Impact 7.1.0.0 through 7.1.0.19 Interim Fix 7 is susceptible to a reverse tabnabbing flaw that could be exploited by attackers.
What is CVE-2020-4849?
This CVE refers to a security vulnerability in IBM Tivoli Netcool Impact versions 7.1.0.0 through 7.1.0.19 Interim Fix 7 that enables a remote attacker to bypass security measures, allowing for potential phishing attacks.
The Impact of CVE-2020-4849
The vulnerability could be exploited by attackers to redirect users to malicious phishing sites, posing a significant risk to the confidentiality and integrity of affected systems.
Technical Details of CVE-2020-4849
IBM Tivoli Netcool Impact 7.1.0.0 through 7.1.0.19 Interim Fix 7 vulnerability details.
Vulnerability Description
- Type: Bypass Security
- CVSS Base Score: 5.3 (Medium)
- Attack Vector: Network
- Attack Complexity: High
- Privileges Required: None
- User Interaction: Required
- Integrity Impact: High
- Exploit Code Maturity: Unproven
Affected Systems and Versions
- Product: Tivoli Netcool Impact
- Vendor: IBM
- Versions Affected: 7.1.0, 7.1.0.19.InterimFix.7
Exploitation Mechanism
The vulnerability could be exploited remotely by an attacker to bypass security restrictions and perform a reverse tabnabbing attack, redirecting victims to phishing sites.
Mitigation and Prevention
Actions to mitigate the CVE-2020-4849 vulnerability.
Immediate Steps to Take
- Apply the official fix provided by IBM to address the security flaw.
- Educate users about phishing attacks and the importance of verifying website URLs.
Long-Term Security Practices
- Regularly update and patch software to prevent known vulnerabilities.
- Implement network security measures to detect and block malicious activities.
Patching and Updates
- Stay informed about security bulletins and updates from IBM to address vulnerabilities promptly.