ZDI-22-508: Cisco Nexus Dashboard Fabric Controller XML External Entity Processing Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Cisco Nexus Dashboard Fabric Controller. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the AMF protocol. Due to the improper restriction of XML External Entity (XXE) references, a crafted document specifying a URI causes the XML parser to access the URI and embed the contents back into the XML document for further processing. An attacker can leverage this vulnerability to disclose information in the context of the fmserver user.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-22-508?
The severity of ZDI-22-508 is considered high due to its ability to allow remote attackers to disclose sensitive information.
How do I fix ZDI-22-508?
To fix ZDI-22-508, ensure that you apply the latest patches released by Cisco for the Nexus Dashboard Fabric Controller.
What types of systems are affected by ZDI-22-508?
ZDI-22-508 affects installations of the Cisco Nexus Dashboard Fabric Controller.
Is authentication required to exploit ZDI-22-508?
No, authentication is not required to exploit the ZDI-22-508 vulnerability.
What protocol is involved in ZDI-22-508 vulnerability?
The specific flaw in ZDI-22-508 exists within the handling of the AMF protocol.