CVE-2021-20532 : Vulnerability Insights and Analysis
Learn about CVE-2021-20532, a high-severity vulnerability in IBM Spectrum Protect Client 8.1.0.0 through 8.1.11.0 allowing local users to escalate privileges. Find out the impact, affected systems, and mitigation steps.
IBM Spectrum Protect Client 8.1.0.0 through 8.1.11.0 has a vulnerability that could allow a local user to escalate their privileges due to insecure directory permissions. This poses a high risk with a CVSS base score of 7.4.
Understanding CVE-2021-20532
This section will discuss the details of the CVE-2021-20532 vulnerability.
What is CVE-2021-20532?
CVE-2021-20532 is a vulnerability in IBM Spectrum Protect Client versions 8.1.0.0 through 8.1.11.0 that enables a local user to escalate their privileges to gain full system control.
The Impact of CVE-2021-20532
The impact of this CVE is rated as high with a CVSS base score of 7.4. It allows an attacker to take full control of the system through insecure directory permissions.
Technical Details of CVE-2021-20532
In this section, we will delve deeper into the technical aspects of the CVE.
Vulnerability Description
The vulnerability in IBM Spectrum Protect Client versions 8.1.0.0 through 8.1.11.0 allows a local user to elevate their privileges due to security flaws in directory permissions.
Affected Systems and Versions
The affected product is Spectrum Protect for Virtual Environments by IBM, specifically versions 8.1.0.0 and 8.1.11.0.
Exploitation Mechanism
The exploitation of this vulnerability requires local access to the system, and an attacker can leverage insecure directory permissions to gain escalated privileges.
Mitigation and Prevention
This section will outline the steps to mitigate and prevent the CVE-2021-20532 vulnerability.
Immediate Steps to Take
Users are advised to apply the official fix provided by IBM to address the insecure directory permissions vulnerability in Spectrum Protect Client 8.1.0.0 through 8.1.11.0.
Long-Term Security Practices
To enhance system security in the long term, it is recommended to regularly review and update directory permissions and implement least privilege access.
Patching and Updates
Stay informed about security updates from IBM for Spectrum Protect Client and ensure timely patching of any identified vulnerabilities.