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9.1

Cisco Ultra Services Framework UAS lets remote attacker access device

CVE-2017-6711 · published 9 years ago
Summary

The Ultra Automation Service in Cisco's Ultra Services Framework is configured by default in a way that lets anyone on the network connect without credentials and view or change internal data. This could let an attacker take control of the device or disrupt its high‑availability functions. Upgrade to version 5.0.3 or later (or apply the vendor’s patch) to secure the configuration.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
cisco ultra_services_framework <= 5.0.2
cpe:2.3:a:cisco:ultra_services_framework:*:*:*:*:*:*:*:*
Original advisory text
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 vul...
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.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
9.1 Critical
Exploitation
2% chance of attack within 30 days
Type
CWE-287Improper Authentication
Timeline
Published6 Jul 2017
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2017-6711 · NVD
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