CVE-2021-29847 : Vulnerability Insights and Analysis
Gain insights into CVE-2021-29847 affecting IBM Power System S821LC Server. Learn about the impact, affected versions, and mitigation steps for this BMC firmware vulnerability.
IBM Power System S821LC Server (8001-12C) firmware vulnerability allows an attacker to intercept sensitive information.
Understanding CVE-2021-29847
This vulnerability in the BMC firmware of IBM Power System S821LC Server (8001-12C) exposes sensitive data to attackers.
What is CVE-2021-29847?
The configuration change in the BMC firmware allows an authenticated user to open an insecure communication channel, enabling attackers to intercept sensitive information using man-in-the-middle attacks.
The Impact of CVE-2021-29847
The vulnerability poses a medium severity risk with a CVSS base score of 5.3, impacting confidentiality by enabling information disclosure.
Technical Details of CVE-2021-29847
This section covers the specific technical aspects of the CVE.
Vulnerability Description
The issue allows an authenticated user to establish an insecure communication channel, leading to confidential data exposure through interception.
Affected Systems and Versions
IBM Power System S821LC Servers (8001-12C) running firmware version OP825.50 are affected by this vulnerability.
Exploitation Mechanism
An attacker with network access can exploit this vulnerability by manipulating the communication channel to intercept sensitive information.
Mitigation and Prevention
Learn how to protect your systems from CVE-2021-29847.
Immediate Steps to Take
IBM recommends applying the official fix provided to address this vulnerability immediately upon discovery.
Long-Term Security Practices
Implement strong access controls, network segmentation, and encryption to prevent unauthorized access and data interception.
Patching and Updates
Regularly check for security updates and patches from IBM to mitigate the risk of exposure to vulnerabilities.