CVE-2017-6711
CriticalSummary
A vulnerability in the Ultra Automation Service (UAS) of the Cisco Ultra Services Framework could allow an unauthenticated, remote attacker to gain unauthorized access to a targeted device. The vulnerability is due to an insecure default configuration of the Apache ZooKeeper service used by the affected software.
Risk Assessment
An attacker could exploit this vulnerability by accessing the affected device through the orchestrator network, potentially gaining access to ZooKeeper data nodes (znodes) and influencing the behavior of the system's high-availability feature, which could lead to significant disruptions in organizational operations.
Recommendation
It is recommended to update Cisco Ultra Services Framework UAS to versions 5.0.3 or 5.1 to mitigate this vulnerability. Additionally, the configuration of the Apache ZooKeeper service should be reviewed and adjusted to enhance security.
Original NVD description (English source)
A vulnerability in the Ultra Automation Service (UAS) of the Cisco Ultra Services Framework could allow an unauthenticated, remote attacker to gain unauthorized access to a targeted device. The vulnerability is due to an insecure default configuration of the Apache ZooKeeper service used by the affected software. An attacker could exploit this vulnerability by accessing the affected device through the orchestrator network. An exploit could allow the attacker to gain access to ZooKeeper data nodes (znodes) and influence the behavior of the system's high-availability feature. This vulnerability affects all releases of Cisco Ultra Services Framework UAS prior to Releases 5.0.3 and 5.1. Cisco Bug IDs: CSCvd29395.

