VDB-105412 · CVE-2017-6771 · BID 100385

Cisco Ultra Services Framework AutoVNF information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Cisco Ultra Services Framework. It has been declared as problematic. Affected is an unknown function of the component AutoVNF. Executing a manipulation can lead to information disclosure. This vulnerability is tracked as CVE-2017-6771. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Cisco Ultra Services Framework (version now known) and classified as problematic. This vulnerability affects some unknown processing of the component AutoVNF. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

A vulnerability in the AutoVNF automation tool of the Cisco Ultra Services Framework could allow an unauthenticated, remote attacker to acquire sensitive information. The vulnerability is due to insufficient protection of sensitive data. An attacker could exploit this vulnerability by browsing to a specific URL of an affected device. An exploit could allow the attacker to view sensitive configuration information about the deployment. Cisco Bug IDs: CSCvd29358. Known Affected Releases: 21.0.v0.65839.

The bug was discovered 08/16/2017. The weakness was disclosed 08/17/2017 with Cisco as cisco-sa-20170816-usf as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2017-6771 since 03/09/2017. The attack can be initiated remotely. Required for exploitation is a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100385†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Cisco

Name

Ultra Services Framework

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/09/2017 🔍
08/16/2017 +160 days 🔍
08/16/2017 +0 days 🔍
08/17/2017 +1 days 🔍
08/17/2017 +0 days 🔍
08/18/2017 +1 days 🔍
01/09/2021 +1240 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170816-usf
Researcher: Cisco
Organization: Cisco
Status: Confirmed

CVE: CVE-2017-6771 (🔍)
GCVE (CVE): GCVE-0-2017-6771
GCVE (VulDB): GCVE-100-105412
SecurityFocus: 100385 - Cisco Ultra Services Framework CVE-2017-6771 Information Disclosure Vulnerability

Entryinfo

Created: 08/18/2017 08:52
Updated: 01/09/2021 14:45
Changes: 08/18/2017 08:52 (60), 11/07/2019 17:33 (4), 01/09/2021 14:45 (2)
Complete: 🔍
Cache ID: 216::103