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.
4.4	$0-$5k	0.00

A vulnerability has been found in Cisco Identity Services Engine 1.3(0.909)/2.1(0.800) (Policy Management Software) and classified as problematic. This vulnerability affects some unknown processing of the component Web-based Management Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) Software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web interface of an affected device, related to the Guest Portal. More Information: CSCvd74794. Known Affected Releases: 1.3(0.909) 2.1(0.800).

The bug was discovered 07/05/2017. The weakness was released 07/10/2017 as cisco-sa-20170705-ise2 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2017-6734 since 03/09/2017. The attack can be initiated remotely. Required for exploitation is a single authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/31/2020). The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entry connected to this vulnerability is available at 103395.

Productinfo

Type

• Policy Management Software

Vendor

• Cisco

Name

• Identity Services Engine

Version

• 1.3(0.909)
• 2.1(0.800)

License

• commercial

Support

• end of life (old version)

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
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: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007

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

OpenVAS ID: 103403
OpenVAS Name: Cisco Identity Services Engine Guest Portal Cross-Site Scripting Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/09/2017 🔍
07/05/2017 +118 days 🔍
07/06/2017 +1 days 🔍
07/10/2017 +4 days 🔍
07/10/2017 +0 days 🔍
07/12/2017 +2 days 🔍
12/31/2020 +1268 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170705-ise2
Researcher: Richard Dalton
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6734 (🔍)
SecurityTracker: 1038823
SecurityFocus: 99459 - Cisco Identity Services Engine (ISE) Software CVE-2017-6734 Cross Site Scripting Vulnerability

See also: 🔍

Entryinfo

Created: 07/12/2017 10:20
Updated: 12/31/2020 15:00
Changes: 07/12/2017 10:20 (66), 10/24/2019 17:09 (4), 12/31/2020 14:55 (2), 12/31/2020 15:00 (1)
Complete: 🔍

Discussion

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