CVE-2021-1257 : Vulnerability Insights and Analysis

A detailed overview of CVE-2021-1257, a vulnerability in the web-based management interface of Cisco DNA Center Software that could allow an attacker to conduct a cross-site request forgery attack.

Understanding CVE-2021-1257

This CVE refers to a security vulnerability found in the web-based management interface of Cisco DNA Center Software, enabling attackers to execute malicious actions through a CSRF attack.

What is CVE-2021-1257?

An unauthenticated remote attacker could manipulate an authenticated user to unknowingly perform malicious actions due to insufficient CSRF protections. By persuading a user to click a crafted link, the attacker gains control to modify configurations, disconnect sessions, and execute commands.

The Impact of CVE-2021-1257

With a CVSS base score of 7.1 (High Severity), this vulnerability could result in unauthorized device manipulations, compromising system integrity without requiring user privileges.

Technical Details of CVE-2021-1257

Explore the specific technical aspects of CVE-2021-1257 to understand its vulnerability, affected systems, and exploitation technique.

Vulnerability Description

The vulnerability stems from inadequate CSRF defenses in the web-based interface, allowing attackers to spoof requests and execute unauthorized actions with the victim's privileges.

Affected Systems and Versions

The vulnerability affects Cisco Digital Network Architecture Center (DNA Center) with all versions being vulnerable at the time of discovery.

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking a user into clicking a malicious link, leading to the execution of unauthorized commands on the affected device under the victim's access level.

Mitigation and Prevention

Discover the crucial mitigation steps and security practices to safeguard systems against CVE-2021-1257 and similar threats.

Immediate Steps to Take

Organizations should implement CSRF protections, educate users on phishing tactics, and monitor for suspicious activities to prevent unauthorized access and actions.

Long-Term Security Practices

Establishing a robust cybersecurity framework, including regular security assessments, access controls, and ongoing staff training, can enhance overall system resilience.

Patching and Updates

Cisco may release patches or updates to address this vulnerability. Ensure timely application of security patches and stay informed through official advisories and channels.