CVE-2021-21915 : What You Need to Know
Learn about CVE-2021-21915, an SQL injection vulnerability impacting Advantech R-SeeNet 2.4.15. Discover its impact, affected systems, and mitigation steps.
This article provides detailed information about CVE-2021-21915, an SQL injection vulnerability affecting Advantech R-SeeNet 2.4.15 (30.07.2021).
Understanding CVE-2021-21915
CVE-2021-21915 is an SQL injection vulnerability in the 'group_list' page of Advantech R-SeeNet 2.4.15. An attacker can exploit this issue by sending a specially-crafted HTTP request to the 'company_filter' parameter.
What is CVE-2021-21915?
An exploitable SQL injection vulnerability allows attackers to trigger unauthorized HTTP requests within the affected system, compromising the confidentiality of sensitive data.
The Impact of CVE-2021-21915
With a CVSS base score of 7.7 (High), the vulnerability poses a severe risk to the integrity and confidentiality of data stored within Advantech R-SeeNet 2.4.15.
Technical Details of CVE-2021-21915
The following technical details shed light on the vulnerability's nature and potential risks.
Vulnerability Description
The security flaw arises due to improper neutralization of special elements in SQL commands, enabling attackers to execute malicious HTTP requests.
Affected Systems and Versions
Advantech R-SeeNet 2.4.15 (30.07.2021) is the specific version impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this issue by sending crafted HTTP requests through the 'company_filter' parameter, gaining unauthorized access to the system.
Mitigation and Prevention
To safeguard your systems against CVE-2021-21915, the following measures are recommended.
Immediate Steps to Take
- Implement strict input validation to prevent SQL injection attacks.
- Monitor and restrict user permissions to minimize the risk of unauthorized access.
Long-Term Security Practices
- Conduct regular security audits and penetration testing to identify vulnerabilities proactively.
- Educate users on secure coding practices to mitigate SQL injection risks.
Patching and Updates
Apply the latest security patches and updates provided by Advantech to address and remediate CVE-2021-21915.