CVE-2020-4877 : Vulnerability Insights and Analysis
Learn about CVE-2020-4877 affecting IBM Cognos Controller versions 10.4.0, 10.4.1, and 10.4.2. Discover the impact, technical details, and mitigation steps for this high-severity vulnerability.
IBM Cognos Controller versions 10.4.0, 10.4.1, and 10.4.2 are susceptible to unauthorized modifications due to public fields in public classes.
Understanding CVE-2020-4877
IBM Cognos Controller versions 10.4.0, 10.4.1, and 10.4.2 could be exploited to gain unauthorized access.
What is CVE-2020-4877?
This CVE identifies a vulnerability in IBM Cognos Controller versions 10.4.0, 10.4.1, and 10.4.2 that could allow attackers to make unauthorized modifications using public fields in public classes.
The Impact of CVE-2020-4877
The vulnerability has a CVSS base score of 7.3, indicating a high severity level. If exploited, attackers could potentially gain unauthorized access and escalate privileges.
Technical Details of CVE-2020-4877
IBM Cognos Controller vulnerability details.
Vulnerability Description
The vulnerability in versions 10.4.0, 10.4.1, and 10.4.2 allows unauthorized modifications through public fields in public classes.
Affected Systems and Versions
- Product: Cognos Controller
- Vendor: IBM
- Affected Versions: 10.4.0, 10.4.1, 10.4.2
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: None
- Exploit Code Maturity: Unproven
- User Interaction: None
Mitigation and Prevention
Steps to address the CVE-2020-4877 vulnerability.
Immediate Steps to Take
- Apply official fixes provided by IBM.
- Monitor IBM's security bulletins for updates.
Long-Term Security Practices
- Regularly update and patch IBM Cognos Controller.
- Implement least privilege access controls.
Patching and Updates
- Ensure all systems running affected versions are updated with the latest patches.