CVE-2021-28901 Explained : Impact and Mitigation

Multiple cross-site scripting (XSS) vulnerabilities have been identified in SITA Software Azur CMS 1.2.3.1 and earlier versions. These vulnerabilities can be exploited by remote attackers to inject arbitrary web script or HTML into specific parameters, potentially leading to a range of attacks. Here's what you need to know about CVE-2021-28901.

Understanding CVE-2021-28901

CVE-2021-28901 is a security vulnerability found in SITA Software Azur CMS versions 1.2.3.1 and earlier, allowing attackers to perform cross-site scripting attacks.

What is CVE-2021-28901?

The CVE-2021-28901 vulnerability involves multiple instances of cross-site scripting (XSS) in SITA Software Azur CMS versions 1.2.3.1 and earlier. Attackers can exploit these vulnerabilities to insert malicious web scripts or HTML code through various parameters within the CMS.

The Impact of CVE-2021-28901

These XSS vulnerabilities could have severe consequences, including unauthorized access, data theft, and the execution of arbitrary code on the affected systems. It can also lead to the compromise of sensitive information and subsequent attacks on users accessing the CMS.

Technical Details of CVE-2021-28901

Let's delve into the technical aspects of CVE-2021-28901 to understand how these vulnerabilities can be exploited.

Vulnerability Description

The vulnerability allows remote attackers to inject malicious web script or HTML through specific parameters such as NOM_CLI, ADRESSE, ADRESSE2, LOCALITE, and nom_liste in SITA Software Azur CMS.

Affected Systems and Versions

SITA Software Azur CMS versions 1.2.3.1 and earlier are affected by CVE-2021-28901. Users of these versions are at risk of exploitation until a patch is applied.

Exploitation Mechanism

By manipulating the vulnerable parameters within the CMS, attackers can execute XSS attacks to inject and run malicious scripts, potentially compromising the security and integrity of the system.

Mitigation and Prevention

Understanding how to mitigate and prevent CVE-2021-28901 is crucial to maintaining the security of your systems.

Immediate Steps to Take

It is recommended to apply the latest security patches provided by SITA Software to address the XSS vulnerabilities in the affected CMS versions. Additionally, users should be cautious when interacting with input fields that could be exploited by XSS attacks.

Long-Term Security Practices

Implementing robust security practices, such as input validation, output encoding, and regular security assessments, can help prevent XSS vulnerabilities and enhance the overall security posture of your systems.

Patching and Updates

Stay informed about security updates and patches released by SITA Software for Azur CMS. Regularly update your systems to ensure that known vulnerabilities, including CVE-2021-28901, are addressed promptly.