VDB-103219 · CVE-2017-6711 · BID 99440

Cisco Ultra Services Framework up to 5.0.2/5.0 UAS improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Cisco Ultra Services Framework up to 5.0.2/5.0. The affected element is an unknown function of the component UAS. This manipulation causes improper authentication. The identification of this vulnerability is CVE-2017-6711. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Ultra Services Framework up to 5.0.2/5.0. It has been declared as critical. Affected by this vulnerability is an unknown code of the component UAS. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 07/05/2017. The weakness was shared 07/06/2017 with Cisco as cisco-sa-20170705-uas as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2017-6711 since 03/09/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 5.0.3 or 5.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 99440†). The entries VDB-103218 and VDB-103217 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Ultra Services Framework 5.0.3/5.1

Timelineinfo

03/09/2017 🔍
07/05/2017 +118 days 🔍
07/05/2017 +0 days 🔍
07/05/2017 +0 days 🔍
07/06/2017 +1 days 🔍
07/06/2017 +0 days 🔍
12/30/2020 +1273 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170705-uas
Researcher: Cisco
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6711 (🔍)
GCVE (CVE): GCVE-0-2017-6711
GCVE (VulDB): GCVE-100-103219
SecurityFocus: 99440 - Cisco Ultra Services Framework CVE-2017-6711 Unauthorized Access Vulnerability

See also: 🔍

Entryinfo

Created: 07/06/2017 12:03
Updated: 12/30/2020 21:30
Changes: 07/06/2017 12:03 (63), 10/23/2019 12:44 (5), 12/30/2020 21:30 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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