CVE-2021-21927 : Vulnerability Insights and Analysis
Learn about CVE-2021-21927, a high-severity SQL injection vulnerability in Advantech R-SeeNet 2.4.15. Understand its impact, affected systems, and mitigation steps.
A detailed analysis of CVE-2021-21927, a vulnerability in Advantech R-SeeNet version 2.4.15, allowing SQL injection through specially crafted HTTP requests.
Understanding CVE-2021-21927
This CVE involves a vulnerability in Advantech R-SeeNet where attackers can exploit SQL injection through crafted HTTP requests.
What is CVE-2021-21927?
CVE-2021-21927 allows attackers to perform SQL injection via specially crafted HTTP requests in Advantech R-SeeNet 2.4.15. This can be triggered by authenticated HTTP requests.
The Impact of CVE-2021-21927
The vulnerability poses a high severity threat with a base CVSS score of 7.7 in terms of confidentiality impact, potentially leading to data compromise.
Technical Details of CVE-2021-21927
This section covers the specifics of the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The flaw in Advantech R-SeeNet 2.4.15 allows SQL injection through crafted HTTP requests, compromising the confidentiality of the system.
Affected Systems and Versions
Advantech R-SeeNet 2.4.15 (30.07.2021) is affected by this vulnerability, exposing systems to potential exploitation.
Exploitation Mechanism
Attackers can exploit the SQL injection by sending specially crafted HTTP requests either as an authenticated user or via cross-site request forgery at the 'loc_filter' parameter.
Mitigation and Prevention
To effectively address CVE-2021-21927, security measures need to be implemented to mitigate the risk and prevent potential exploitation.
Immediate Steps to Take
Organizations should apply security patches, restrict network access, and monitor for any suspicious activities to mitigate the risk associated with this vulnerability.
Long-Term Security Practices
It is crucial to regularly update systems, conduct security audits, educate users on safe practices, and implement strong authentication mechanisms to enhance overall security posture.
Patching and Updates
Vendors should release patches addressing the SQL injection vulnerability in Advantech R-SeeNet 2.4.15 to prevent potential exploitation.