CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:A/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
71.9%
A vulnerability in the mesh code of Cisco Wireless LAN Controller (WLC)
software could allow an unauthenticated, remote attacker to impersonate a WLC in a meshed topology.
# Copyright (C) 2017 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
CPE = "cpe:/o:cisco:wireless_lan_controller_firmware";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.106665");
script_cve_id("CVE-2017-3854");
script_tag(name:"cvss_base", value:"8.3");
script_tag(name:"cvss_base_vector", value:"AV:A/AC:L/Au:N/C:C/I:C/A:C");
script_version("2021-09-20T08:01:57+0000");
script_name("Cisco Meshed Wireless LAN Controller Impersonation Vulnerability");
script_xref(name:"URL", value:"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170315-wlc-mesh");
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 mesh code of Cisco Wireless LAN Controller (WLC)
software could allow an unauthenticated, remote attacker to impersonate a WLC in a meshed topology.");
script_tag(name:"insight", value:"The vulnerability is due to insufficient authentication of the parent access
point in a mesh configuration. An attacker could exploit this vulnerability by forcing the target system to
disconnect from the correct parent access point and reconnect to a rogue access point owned by the attacker.");
script_tag(name:"impact", value:"An exploit could allow the attacker to control the traffic flowing through
the impacted access point or take full control of the target system.");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"last_modification", value:"2021-09-20 08:01:57 +0000 (Mon, 20 Sep 2021)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:A/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:"2021-09-14 12:12:00 +0000 (Tue, 14 Sep 2021)");
script_tag(name:"creation_date", value:"2017-03-17 10:43:42 +0700 (Fri, 17 Mar 2017)");
script_category(ACT_GATHER_INFO);
script_family("CISCO");
script_copyright("Copyright (C) 2017 Greenbone Networks GmbH");
script_dependencies("gb_cisco_wlc_consolidation.nasl");
script_mandatory_keys("cisco/wlc/detected", "cisco/wlc/model");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if (!version = get_app_version(cpe: CPE, nofork: TRUE))
exit(0);
if (!model = get_kb_item("cisco/wlc/model"))
exit(0);
if (model !~ "25[0-9][0-9]" && model !~ "55[0-9][0-9]" && model !~ "85[0-9][0-9]" && model !~ "AIR-CTVM")
exit(99);
affected = make_list(
'3.1.105.0',
'3.1.111.0',
'3.1.59.24',
'3.2.116.21',
'3.2.150.10',
'3.2.150.6',
'3.2.171.5',
'3.2.171.6',
'3.2.185.0',
'3.2.193.5',
'3.2.195.10',
'3.2.78.0',
'3.6.0E',
'4.0.108',
'4.0.155.0',
'4.0.155.5',
'4.0.179.11',
'4.0.179.8',
'4.0.196',
'4.0.206.0',
'4.0.217.0',
'4.0.219.0',
'4.1.171.0',
'4.1.181.0',
'4.1.185.0',
'4.2.112.0',
'4.2.117.0',
'4.2.130.0',
'4.2.173.0',
'4.2.174.0',
'4.2.176.0',
'4.2.182.0',
'4.2.61.0',
'4.2.99.0',
'5.0.148.0',
'5.0.148.2',
'5.1.151.0',
'5.1.152.0',
'5.1.160.0',
'5.2.157.0',
'5.2.169.0',
'6.0182.0',
'6.0188.0',
'6.0196.0',
'6.0199.4',
'6.0202.0',
'7.0116.0',
'7.0220.0',
'7.0240.0',
'7.0250.0',
'7.0252.0',
'7.098.0',
'7.098.218',
'7.191.0',
'7.2103.0',
'7.3.101.0',
'7.3.103.8',
'7.3.112',
'7.4.1.1',
'7.4.100',
'7.4.100.60',
'7.4.110.0',
'7.4.121.0',
'7.41.19',
'7.41.54',
'7.4140.0',
'7.5.102.0',
'7.5.102.11',
'7.6.1.62',
'7.6.100.0',
'7.6.110.0',
'7.6.120.0',
'7.6.130.0',
'8.0.0',
'8.0.0.30220.385',
'8.0.100',
'8.0.115.0',
'8.0.120.0',
'8.0.121.0',
'8.0.72.140',
'8.1.0',
'8.1.104.37',
'8.1.111.0',
'8.1.122.0',
'8.1.130.0');
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
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:A/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
71.9%