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Cisco Nexus 7000 Devices Virtual Device Context Privilege Escalation Vulnerability
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
A privilege escalation vulnerability in the Python scripting subsystem of Cisco Nexus 7000 devices that have been configured with multiple virtual device contexts (VDCs) could allow an authenticated, local attacker to delete files owned by a different VDC on the device. The vulnerability exists due to incomplete privilege separation of the Python scripting engine across multiple VDCs. An attacker with administrative privileges in a specific VDC could exploit this vulnerability to remove files owned by a separate VDC. This could result in a denial of service (DoS) condition on the affected device. Cisco has confirmed the vulnerability, however, software updates are not available. To exploit this vulnerability, an attacker must have local access and be able to authenticate to the targeted device. In addition, the attacker must have administrative privileges in a specific VDC on the device. These requirements could limit the possibility of a successful exploit. Cisco would like to thank Jens Krabbenhoeft for discovering and reporting this vulnerability.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
See the referenced vendor advisory for a solution.