CVE-2021-1474 : Exploit Details and Defense Strategies
Learn about CVE-2021-1474, multiple vulnerabilities in Cisco Umbrella Insights Virtual Appliance allowing remote formula and link injection attacks. Understand the impact and mitigation strategies.
Multiple vulnerabilities in the Admin audit log export feature and Scheduled Reports feature of Cisco Umbrella Insights Virtual Appliance could allow an authenticated, remote attacker to perform formula and link injection attacks. This CVE was published on April 7, 2021.
Understanding CVE-2021-1474
This CVE highlights vulnerabilities in Cisco Umbrella that could be exploited by attackers. It has a CVSSv3 base score of 6.5.
What is CVE-2021-1474?
The CVE-2021-1474 pertains to multiple vulnerabilities in Cisco Umbrella Insights Virtual Appliance that could enable an authenticated, remote attacker to execute formula and link injection attacks.
The Impact of CVE-2021-1474
The impact of this CVE is rated as medium severity, with a CVSSv3 base score of 6.5. Attackers can leverage these vulnerabilities to conduct malicious activities on affected devices.
Technical Details of CVE-2021-1474
This section outlines specific technical details of the vulnerability.
Vulnerability Description
The vulnerabilities in the Admin audit log export and Scheduled Reports features of Cisco Umbrella allow remote attackers to execute formula and link injection attacks.
Affected Systems and Versions
The affected product is the Cisco Umbrella Insights Virtual Appliance with the version specified as 'n/a'.
Exploitation Mechanism
Attackers with remote access can exploit these vulnerabilities to inject malicious formulas and links.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks associated with CVE-2021-1474.
Immediate Steps to Take
Organizations should review and apply the necessary patches provided by Cisco to address these vulnerabilities. Implement network security measures to restrict unauthorized access.
Long-Term Security Practices
Regularly update and monitor security measures. Conduct security assessments and audits to identify and address potential vulnerabilities.
Patching and Updates
Stay informed about security advisories from Cisco and promptly apply patches to mitigate the risks of formula and link injection attacks on the Cisco Umbrella Insights Virtual Appliance.