Discover the impact of CVE-2021-21511, an Improper Authorization vulnerability in Dell EMC Avamar Server versions 19.3 and 19.4. Learn about the technical details, affected systems, and mitigation steps.
This CVE-2021-21511 article provides insights into an Improper Authorization vulnerability found in Dell EMC Avamar Server versions 19.3 and 19.4, impacting the web UI.
Understanding CVE-2021-21511
This section delves into the details surrounding CVE-2021-21511.
What is CVE-2021-21511?
The Dell EMC Avamar Server, specifically versions 19.3 and 19.4, has been identified with an Improper Authorization vulnerability in its web UI. This flaw could be exploited by a remote, low-privileged attacker to potentially gain unauthorized access to other users' backup data.
The Impact of CVE-2021-21511
With a CVSS base score of 8.1, categorizing it as a high severity issue, this vulnerability could allow attackers to access sensitive information and modify data without proper authorization.
Technical Details of CVE-2021-21511
Explore the technical aspects of CVE-2021-21511 to understand its implications.
Vulnerability Description
The vulnerability stems from improper authorization within the web UI of Dell EMC Avamar Server versions 19.3 and 19.4, opening up the system to potential unauthorized data access.
Affected Systems and Versions
Dell Avamar Server versions 19.3 and 19.4 are affected by this vulnerability, highlighting the importance of addressing this issue promptly.
Exploitation Mechanism
A remote attacker with low privileges can exploit this vulnerability, gaining access to sensitive backup data without proper authorization.
Mitigation and Prevention
Discover the necessary steps to mitigate and prevent the exploitation of CVE-2021-21511.
Immediate Steps to Take
It is crucial to apply security patches provided by Dell promptly to address this vulnerability and prevent potential unauthorized access to backup data.
Long-Term Security Practices
Incorporating strict access controls and monitoring mechanisms can bolster the security posture of systems, preventing unauthorized access in the long term.
Patching and Updates
Regularly updating and patching Dell EMC Avamar Server to the latest versions is essential in mitigating vulnerabilities like CVE-2021-21511.