CVE-2021-1475 : What You Need to Know
Learn about CVE-2021-1475 affecting Cisco Umbrella Insights Virtual Appliance, allowing authenticated remote attackers to perform formula and link injection attacks.
This article provides detailed information about CVE-2021-1475, a vulnerability affecting Cisco Umbrella Insights Virtual Appliance, allowing attackers to execute formula and link injection attacks remotely.
Understanding CVE-2021-1475
CVE-2021-1475 is a vulnerability found in the Admin audit log export feature and Scheduled Reports feature of Cisco Umbrella, which can be exploited by authenticated remote attackers for formula and link injection attacks.
What is CVE-2021-1475?
Multiple vulnerabilities in Cisco Umbrella could enable a remote attacker to execute formula and link injection attacks on an affected device.
The Impact of CVE-2021-1475
With a CVSS base score of 6.5 (Medium severity), this vulnerability could result in unauthorized code execution and manipulation of data on affected devices.
Technical Details of CVE-2021-1475
This section outlines the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability lies in the Admin audit log export and Scheduled Reports features, allowing attackers to perform formula and link injection attacks.
Affected Systems and Versions
Cisco Umbrella Insights Virtual Appliance is affected by this vulnerability with a status of 'affected' for all versions.
Exploitation Mechanism
An authenticated remote attacker can exploit this vulnerability by injecting malicious formulas and links into the affected device.
Mitigation and Prevention
To address CVE-2021-1475, immediate steps, best security practices, and the importance of patching and updates are outlined.
Immediate Steps to Take
Immediately apply any security patches or updates provided by Cisco to mitigate the risk of exploitation.
Long-Term Security Practices
Enhance network security measures and employee training to prevent similar vulnerabilities and attacks in the future.
Patching and Updates
Regularly check for updates and patches from Cisco to ensure your systems are protected against potential exploits.