CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
91.5%
Cisco Webex Meetings Server is prone to a remote code execution (RCE) vulnerability.
# 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:webex_meetings_server";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.811240");
script_version("2023-07-14T16:09:27+0000");
script_cve_id("CVE-2017-6753");
script_tag(name:"cvss_base", value:"9.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
script_tag(name:"last_modification", value:"2023-07-14 16:09:27 +0000 (Fri, 14 Jul 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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:"2017-07-18 12:06:48 +0530 (Tue, 18 Jul 2017)");
script_name("Cisco Webex Meetings Server Browser Extension Remote Code Execution Vulnerability");
script_tag(name:"summary", value:"Cisco Webex Meetings Server is prone to a remote code execution (RCE) vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The flaw exists due to a design defect in
the browser extension.");
script_tag(name:"impact", value:"Successful exploitation will allow remote
attackers to execute arbitrary code with the privileges of the affected browser.");
script_tag(name:"affected", value:"Cisco Webex Meetings Server versions
1.1 Base, 1.5 Base, 1.5.1.6, 1.5.1.131, 2.0 Base, 2.0.1.107, 2.0 MR2 through
2.0 MR9, 2.0 MR9 Patch 1 through 2.0 MR9 Patch 3, 2.5 Base, 2.5.99.2, 2.5 MR1,
2.5.1.5, 2.5.1.29, 2.5 MR2, 2.5 MR2 Patch 1, 2.5 MR3 through 2.5 MR5, 2.5 MR5
Patch 1, 2.5 MR6, 2.5 MR6 Patch 1 through 2.5 MR6 Patch 4, 2.6.0, 2.6.1.39,
2.6 MR1, 2.6 MR1 Patch 1, 2.6 MR2, 2.6 MR2 Patch 1, 2.6 MR3, 2.6 MR3 Patch 1,
2.6 MR3 Patch 2, 2.7 Base, 2.7.1, 2.7 MR1, 2.7 MR1 Patch 1, 2.7 MR2, 2.7 MR2
Patch 1, 2.8 Base and 2.8 prior to 2.8 Patch 3.");
script_tag(name:"solution", value:"Update to Cisco Webex Meetings Server
version 2.6MR3 Patch 5, 2.7MR2 Patch 9 or 2.8 Patch 3 or later.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_xref(name:"URL", value:"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170717-webex");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/99614");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2017 Greenbone AG");
script_family("CISCO");
script_dependencies("gb_cisco_webex_meetings_server_detect.nasl");
script_mandatory_keys("cisco/webex/meetings_server/detected");
exit(0);
}
include("version_func.inc");
include("host_details.inc");
if(!port = get_app_port(cpe:CPE))
exit(0);
if(!vers = get_app_version(cpe:CPE, port:port))
exit(0);
## 2.8 Patch 3 == 2.8.1.39
if(vers =~ "^2\.8")
fix = "2.8 Patch 3";
## 2.7MR2 Patch 9 == 2.7.1.2103
else if(vers =~ "^2\.7")
fix = "2.7MR2 Patch 9";
## 2.6MR3 Patch 5 == 2.6.1.3120
else if(version_is_less_equal(version:vers, test_version:"2.6"))
fix = "2.6MR3 Patch 5";
if(fix) {
report = report_fixed_ver(installed_version:vers, fixed_version:fix);
security_message(port:port, data:report);
exit(0);
}
exit(0);
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
91.5%