CVE-2020-3248: Cisco UCS Director saveStaticConfig Directory Traversal Remote Code Execution Vulnerability
Multiple vulnerabilities in the REST API of Cisco UCS Director and Cisco UCS Director Express for Big Data may allow a remote attacker to bypass authentication or conduct directory traversal attacks on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Cisco UCS Director. Authentication is not required to exploit this vulnerability. The specific flaw exists within the saveStaticConfig method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of root.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is CVE-2020-3248?
CVE-2020-3248 is a vulnerability in Cisco UCS Director that allows remote attackers to execute arbitrary code on affected installations.
Is authentication required to exploit CVE-2020-3248?
No, authentication is not required to exploit CVE-2020-3248.
How severe is CVE-2020-3248?
CVE-2020-3248 has a severity rating of 9.8 (Critical).
What is the affected software?
The affected software includes Cisco UCS Director versions 6.0.0.0 to 6.7.3.0 and Cisco UCS Director Express for Big Data version 3.7.3.0.
How can I fix CVE-2020-3248?
It is recommended to apply the necessary updates provided by Cisco to fix CVE-2020-3248.