CVE-2021-1277 : Vulnerability Insights and Analysis
Learn about CVE-2021-1277, multiple vulnerabilities in Cisco Data Center Network Manager that can allow spoofing or man-in-the-middle attacks. Discover impact, affected systems, and mitigation steps.
Cisco Data Center Network Manager (DCNM) is affected by multiple vulnerabilities that could allow an attacker to spoof a trusted host or execute a man-in-the-middle attack. These vulnerabilities stem from inadequate certificate validation during HTTPS requests with the affected device.
Understanding CVE-2021-1277
This CVE refers to the Certificate Validation Vulnerabilities in Cisco Data Center Network Manager.
What is CVE-2021-1277?
CVE-2021-1277 pertains to multiple vulnerabilities in Cisco Data Center Network Manager that could enable attackers to conduct spoofing or man-in-the-middle attacks, leading to information extraction or API request alteration.
The Impact of CVE-2021-1277
The vulnerabilities in Cisco DCNM pose a high severity risk with a base score of 7.5 (CVSS:3.1). Although there have been no known public exploits or malicious activities, the potential for sensitive information exposure or tampering with API requests underscores the criticality of this issue.
Technical Details of CVE-2021-1277
This section delves into the specifics of the vulnerability.
Vulnerability Description
The flaws in DCNM arise due to insufficient certificate validation in HTTPS requests, facilitating potential trust exploitation and interception attacks.
Affected Systems and Versions
The vulnerability impacts all versions of Cisco Data Center Network Manager as detailed in the Cisco security advisory.
Exploitation Mechanism
Attackers can leverage the lack of proper certificate validation to carry out spoofing attacks or intercept sensitive information exchanged over HTTPS connections.
Mitigation and Prevention
Protecting your systems from CVE-2021-1277 is crucial to maintaining a secure network environment.
Immediate Steps to Take
Ensure that HTTPS requests to DCNM undergo thorough certificate validation. Stay informed about security updates and advisories from Cisco to mitigate potential risks.
Long-Term Security Practices
Implement security best practices, including regular security assessments and audits, to detect and remediate vulnerabilities promptly.
Patching and Updates
Apply the latest patches and updates provided by Cisco to address the certificate validation vulnerabilities in Cisco Data Center Network Manager.