CVE-2021-1218 : Security Advisory and Response

A vulnerability in the web management interface of Cisco Smart Software Manager satellite allows an authenticated, remote attacker to redirect users to malicious websites. This can be exploited by manipulating URL parameters in an HTTP request.

Understanding CVE-2021-1218

This CVE concerns an open redirect vulnerability in Cisco Smart Software Manager Satellite that can be abused by attackers to redirect users to harmful sites.

What is CVE-2021-1218?

The vulnerability in Cisco Smart Software Manager Satellite could be exploited by a remote, authenticated attacker to direct users to malicious web pages through improper input validation in HTTP requests.

The Impact of CVE-2021-1218

Successful exploitation of this vulnerability could result in users being redirected to harmful websites, potentially exposing them to further cyber threats.

Technical Details of CVE-2021-1218

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The issue arises from inadequate input validation of URL parameters in HTTP requests sent to affected devices, enabling attackers to redirect users to specified malicious URLs.

Affected Systems and Versions

The vulnerability impacts Cisco Smart Software Manager On-Prem with all versions being affected.

Exploitation Mechanism

By crafting an HTTP request with malicious intent, attackers could manipulate the web application to redirect user traffic to undesired destinations.

Mitigation and Prevention

To safeguard systems from CVE-2021-1218, certain actions and precautions can be taken.

Immediate Steps to Take

Organizations should ensure proper input validation mechanisms are in place to prevent unauthorized redirections. Additionally, users are advised to exercise caution while interacting with unfamiliar URLs.

Long-Term Security Practices

Regular security audits and penetration testing can help identify and address such vulnerabilities before they are maliciously exploited.

Patching and Updates

Cisco may release patches or updates to mitigate the CVE-2021-1218 vulnerability. It is crucial for organizations to promptly apply these fixes to enhance system security.