CVE-2021-1607 : Vulnerability Insights and Analysis

Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user. These vulnerabilities exist due to insufficient validation of user-supplied input, enabling an attacker to inject malicious code and potentially execute arbitrary script code or access sensitive information with administrative credentials.

Understanding CVE-2021-1607

This CVE discloses security issues in the web-based management interface of Cisco Identity Services Engine (ISE) that may lead to stored cross-site scripting attacks.

What is CVE-2021-1607?

The CVE-2021-1607 exposes multiple vulnerabilities in the Cisco Identity Services Engine (ISE) web-based management interface, allowing attackers to launch stored cross-site scripting (XSS) attacks by injecting malicious code into certain interface pages.

The Impact of CVE-2021-1607

The impact of this CVE is rated with a CVSS v3.1 base score of 4.8, indicating a medium severity level. Attacks leveraging these vulnerabilities could compromise the affected interface's integrity, confidentiality, and potentially expose sensitive information.

Technical Details of CVE-2021-1607

This section delves into the specific technical aspects of the Cisco Identity Services Engine Stored Cross-Site Scripting Vulnerabilities.

Vulnerability Description

The vulnerability arises from the lack of adequate input validation in the web-based management interface, enabling attackers to insert malicious code that could be executed in the context of the affected interface.

Affected Systems and Versions

The affected product is the Cisco Identity Services Engine Software, with all versions susceptible to these vulnerabilities.

Exploitation Mechanism

To exploit this vulnerability, an attacker must have valid administrative credentials. By injecting malicious code into specific pages of the interface, the attacker can execute arbitrary script code or access sensitive information.

Mitigation and Prevention

It is crucial to implement immediate steps and adopt long-term security practices to mitigate the risks associated with CVE-2021-1607.

Immediate Steps to Take

Organizations should ensure prompt remediation by applying security updates or patches provided by Cisco to address the identified vulnerabilities.

Long-Term Security Practices

Establishing strict input validation mechanisms, conducting regular security assessments, and enforcing the principle of least privilege can enhance the overall security posture and mitigate the risk of similar vulnerabilities.

Patching and Updates

Regularly install security updates and patches released by Cisco to address known vulnerabilities and enhance the resilience of the Cisco Identity Services Engine software.