Executive Summary

Title Cisco Ultra Services Framework UAS Unauthenticated Access Vulnerability
Name cisco-sa-20170705-uas First vendor Publication 2017-07-05
Vendor Cisco Last vendor Modification 2017-07-05
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:N)
Cvss Base Score 6.4 Attack Range Network
Cvss Impact Score 4.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


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.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170705-uas ["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170705-uas"]


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Original Source

Url : http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco (...)

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-287 Improper Authentication

CPE : Common Platform Enumeration

Application 1

Snort® IPS/IDS

Date Description
2017-07-06 Cisco Ultra Services Framework unauthenticated ZAB connect request detected
RuleID : 43452 - Revision : 1 - Type : POLICY-OTHER

Alert History

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Date Informations
2017-07-07 21:24:49
  • Multiple Updates
2017-07-06 09:24:47
  • Multiple Updates
2017-07-06 00:22:09
  • First insertion