CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
70.7%
A vulnerability in the authentication module of Cisco Identity Services
Engine (ISE) could allow an unauthenticated, remote attacker to bypass local authentication.
# SPDX-FileCopyrightText: 2017 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
CPE = "cpe:/a:cisco:identity_services_engine";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.140273");
script_cve_id("CVE-2017-6747");
script_tag(name:"cvss_base", value:"7.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_version("2023-07-25T05:05:58+0000");
script_name("Cisco Identity Services Engine Authentication Bypass Vulnerability");
script_xref(name:"URL", value:"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170802-ise");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"solution", value:"See the referenced vendor advisory for a solution.");
script_tag(name:"summary", value:"A vulnerability in the authentication module of Cisco Identity Services
Engine (ISE) could allow an unauthenticated, remote attacker to bypass local authentication.");
script_tag(name:"insight", value:"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.");
script_tag(name:"impact", value:"An exploit could allow the attacker to have Super Admin privileges for the
ISE Admin portal.");
script_tag(name:"qod_type", value:"package");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"last_modification", value:"2023-07-25 05:05:58 +0000 (Tue, 25 Jul 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2019-10-09 23:29:00 +0000 (Wed, 09 Oct 2019)");
script_tag(name:"creation_date", value:"2017-08-03 10:23:50 +0700 (Thu, 03 Aug 2017)");
script_category(ACT_GATHER_INFO);
script_family("CISCO");
script_copyright("Copyright (C) 2017 Greenbone AG");
script_dependencies("gb_cisco_ise_version.nasl");
script_mandatory_keys("cisco_ise/version");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if (!version = get_app_version(cpe: CPE))
exit(0);
affected = make_list(
'1.3.0.722',
'1.3.0.876',
'1.3.0.909',
'1.3.106.146',
'1.3.120.135',
'1.4.0.109',
'1.4.0.181',
'1.4.0.253',
'1.4.0.908',
'2.0.0.147',
'2.0.0.169',
'2.0.0.222',
'2.0.1.130',
'2.1.0.474',
'2.1.0.800',
'2.1.102.101');
foreach af (affected) {
if (version == af) {
report = report_fixed_ver(installed_version: version, fixed_version: "See advisory");
security_message(port: 0, data: report);
exit(0);
}
}
exit(99);
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
70.7%