CVE-2021-34369 : Exploit Details and Defense Strategies

Accela Civic Platform through version 20.1 is affected by CVE-2021-34369, allowing remote attackers to access sensitive information via a modified parameter. The vendor disputes the severity, stating the accessed information is authorized for authenticated users.

Understanding CVE-2021-34369

This CVE affects the Accela Civic Platform, enabling attackers to retrieve sensitive data by manipulating specific parameters.

What is CVE-2021-34369?

CVE-2021-34369 involves the portlets/contact/ref/refContactDetail.do endpoint in Accela Civic Platform through version 20.1. Attackers can exploit this vulnerability to extract sensitive information by altering the 'contactSeqNumber' value.

The Impact of CVE-2021-34369

This vulnerability could lead to unauthorized access to sensitive data, posing a risk to the confidentiality of information stored within the platform.

Technical Details of CVE-2021-34369

CVE-2021-34369 allows remote attackers to obtain sensitive data through an insecure direct object reference vulnerability present in the specified endpoint.

Vulnerability Description

The issue arises from inadequate access controls that enable attackers to bypass authorization mechanisms and retrieve sensitive information.

Affected Systems and Versions

Accela Civic Platform versions up to 20.1 are impacted by this vulnerability, putting users of these versions at risk of data exposure.

Exploitation Mechanism

Exploitation of CVE-2021-34369 involves manipulating the 'contactSeqNumber' parameter in the portlets/contact/ref/refContactDetail.do API endpoint to gain unauthorized access to sensitive data.

Mitigation and Prevention

To address CVE-2021-34369, users should take immediate steps to secure their systems and follow best practices for long-term security.

Immediate Steps to Take

System administrators should implement strict access controls, conduct regular security assessments, and monitor for unauthorized access attempts.

Long-Term Security Practices

Establishing robust authentication mechanisms, performing code reviews, and keeping systems up to date with security patches can help prevent similar vulnerabilities in the future.

Patching and Updates

Users are advised to apply patches provided by Accela for the Civic Platform to address the vulnerability and enhance the security posture of their systems.