CVE-2023-40221 Explained : Impact and Mitigation
Discover the impact of CVE-2023-40221, a code injection vulnerability in Socomec's MODULYS GP (MOD3GP-SY-120K), enabling attackers to compromise data and system integrity. Learn about mitigation and prevention measures.
A code injection vulnerability, CVE-2023-40221, allows attackers to inject malicious code into a vulnerable device's web application, potentially compromising user data and system integrity.
Understanding CVE-2023-40221
This section delves into the nature of the vulnerability and its potential impact.
What is CVE-2023-40221?
The absence of filters in certain sections of the web application of the affected device enables threat actors to execute code injection attacks through the MAIL SERVER parameter.
The Impact of CVE-2023-40221
With a CVSS base score of 8.8 (High Severity), the vulnerability poses a significant risk to system confidentiality, integrity, and availability. Attackers can manipulate the web application to execute malicious code, leading to potential data breaches and system compromise.
Technical Details of CVE-2023-40221
Explore the specific details of the vulnerability, including affected systems and exploitation mechanisms.
Vulnerability Description
The vulnerability arises from the lack of input filters in the web application, allowing attackers to inject malicious code via the MAIL_RCV parameter.
Affected Systems and Versions
The vulnerability affects Socomec's MODULYS GP (MOD3GP-SY-120K) version v01.12.10.
Exploitation Mechanism
Attackers inject code into the MAIL_SERVER parameter, which gets executed when legitimate users access the NOTIFICATION/MAIL SERVER section.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2023-40221 and prevent potential exploitation.
Immediate Steps to Take
Socomec recommends replacing the vulnerable MODULYS GP (MOD3GP-SY-120K) with the unaffected MODULYS GP2 (M4-S-XXX) to mitigate the code injection vulnerability.
Long-Term Security Practices
Implement strict input validation and filtering mechanisms in web applications to prevent code injection attacks.
Patching and Updates
Stay informed about security advisories and updates from vendors to address vulnerabilities promptly.