CVE-2017-6747

Summary

CVE	CVE-2017-6747
State	PUBLISHED
Assigner	cisco
Source Priority	CVE Program / NVD first with legacy fallback
Published	2017-08-07 06:29:00 UTC
Updated	2025-04-20 01:37:25 UTC
Description	A vulnerability in the authentication module of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass local authentication. The vulnerability is due to improper handling of authentication requests and policy assignment for externally authenticated users. An attacker could exploit this vulnerability by authenticating with a valid external user account that matches an internal username and incorrectly receiving the authorization policy of the internal account. An exploit could allow the attacker to have Super Admin privileges for the ISE Admin portal. This vulnerability does not affect endpoints authenticating to the ISE. The vulnerability affects Cisco ISE, Cisco ISE Express, and Cisco ISE Virtual Appliance running Release 1.3, 1.4, 2.0.0, 2.0.1, or 2.1.0. Release 2.2.x is not affected. Cisco Bug IDs: CSCvb10995.

Primary CVSS: v3.0 9.8 CRITICAL from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-287 | CWE-287 CWE-287

Version	Source	Type	Score	Severity	Vector
3.0	[email protected]	Primary	9.8	CRITICAL	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`
2.0	[email protected]	Primary	7.5		`AV:N/AC:L/Au:N/C:P/I:P/A:P`

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Access Vector

Network

Access Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

Type	Vendor	Product	Version	Update	Edition	Language
Application	Cisco	Identity Services Engine	1.3\(0.722\)	All	All	All
Application	Cisco	Identity Services Engine	1.3\(0.876\)	All	All	All
Application	Cisco	Identity Services Engine	1.3\(0.909\)	All	All	All
Application	Cisco	Identity Services Engine	1.3\(106.146\)	All	All	All
Application	Cisco	Identity Services Engine	1.3\(120.135\)	All	All	All
Application	Cisco	Identity Services Engine	1.4\(0.109\)	All	All	All
Application	Cisco	Identity Services Engine	1.4\(0.181\)	All	All	All
Application	Cisco	Identity Services Engine	1.4\(0.253\)	All	All	All
Application	Cisco	Identity Services Engine	1.4\(0.908\)	All	All	All
Application	Cisco	Identity Services Engine	2.0\(0.147\)	All	All	All
Application	Cisco	Identity Services Engine	2.0\(0.169\)	All	All	All
Application	Cisco	Identity Services Engine	2.0\(0.222\)	All	All	All
Application	Cisco	Identity Services Engine	2.0\(1.130\)	All	All	All
Application	Cisco	Identity Services Engine	2.0_base	All	All	All
Application	Cisco	Identity Services Engine	2.1\(0.474\)	All	All	All
Application	Cisco	Identity Services Engine	2.1\(0.800\)	All	All	All
Application	Cisco	Identity Services Engine	2.1\(102.101\)	All	All	All
Application	Cisco	Identity Services Engine	2.1_base	All	All	All

Source	Vendor	Product	Version	Platforms
CNA	Na	Cisco Identity Services Engine	affected Cisco Identity Services Engine	Not specified

Reference	Source	Link	Tags
Cisco Identity Services Engine Authentication Bypass Vulnerability	af854a3a-2127-422b-91ae-364da2661108	tools.cisco.com	Vendor Advisory
Cisco Identity Services Engine Authentication Module Bug Lets Remote Users Bypass Authentication on the Target System - SecurityTracker	af854a3a-2127-422b-91ae-364da2661108	www.securitytracker.com	Third Party Advisory, VDB Entry
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

There are currently no legacy QID mappings associated with this CVE.