CVE-2020-5329 : Exploit Details and Defense Strategies

Dell EMC Avamar Server contains an open redirect vulnerability that could be exploited by a remote attacker to redirect users to malicious websites.

Understanding CVE-2020-5329

This CVE involves an open redirect vulnerability in Dell EMC Avamar Server, potentially leading to user redirection to arbitrary URLs.

What is CVE-2020-5329?

The vulnerability in Dell EMC Avamar Server allows unauthenticated remote attackers to redirect application users to malicious websites by manipulating crafted links.

The Impact of CVE-2020-5329

The vulnerability has a CVSS base score of 6.1, categorizing it as a medium severity issue. It requires user interaction and can lead to low confidentiality and integrity impacts.

Technical Details of CVE-2020-5329

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability is classified as CWE-601, involving URL redirection to untrusted sites (Open Redirect).

Affected Systems and Versions

Product: Avamar
Vendor: Dell
Versions Affected: 7.3.1, 7.4.1

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Scope: Changed
Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Mitigation and Prevention

Protecting systems from CVE-2020-5329 is crucial to maintaining security.

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Educate users about the risks of clicking on unknown links.
Monitor network traffic for suspicious activities.

Long-Term Security Practices

Regularly update and patch all software and systems.
Implement strong access controls and authentication mechanisms.

Patching and Updates

Ensure that the affected Avamar versions (7.3.1, 7.4.1) are updated with the latest patches and security fixes.