CVE-2021-29084 : Exploit Details and Defense Strategies
Learn about CVE-2021-29084, a high-severity vulnerability in Synology DiskStation Manager (DSM) allowing remote attackers to read arbitrary files. Find out the impact, affected versions, and mitigation steps.
A vulnerability has been identified in Synology DiskStation Manager (DSM) before version 6.2.3-25426-3 that allows remote attackers to read arbitrary files through improper neutralization of special elements. Here's what you need to know about CVE-2021-29084.
Understanding CVE-2021-29084
This section provides an in-depth look at the CVE-2021-29084 vulnerability in Synology DiskStation Manager (DSM).
What is CVE-2021-29084?
The CVE-2021-29084 vulnerability involves an Injection flaw in the Security Advisor report management component of Synology DSM. It allows malicious actors to access arbitrary files remotely.
The Impact of CVE-2021-29084
With a CVSS base score of 7.5, this vulnerability has a high severity rating. It can result in the compromise of confidentiality, enabling attackers to read sensitive files without authorization.
Technical Details of CVE-2021-29084
This section delves into the technical aspects of the CVE-2021-29084 vulnerability.
Vulnerability Description
The vulnerability arises from improper neutralization of special elements in output, which is exploited by remote attackers through unspecified vectors.
Affected Systems and Versions
Synology DiskStation Manager (DSM) versions prior to 6.2.3-25426-3 are affected by this vulnerability.
Exploitation Mechanism
Attackers exploit this vulnerability by injecting malicious code into the Security Advisor report management component to read sensitive files.
Mitigation and Prevention
Discover the steps to mitigate and prevent CVE-2021-29084 in your environment.
Immediate Steps to Take
Users are advised to update their Synology DSM to version 6.2.3-25426-3 or later to remediate this vulnerability. Additionally, monitoring file access logs for suspicious activities is recommended.
Long-Term Security Practices
Implementing regular security patches, conducting security training for users, and employing network intrusion detection systems are essential for maintaining robust security posture.
Patching and Updates
Stay vigilant for security updates from Synology and promptly install patches to address known vulnerabilities and enhance system security.