CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
84.9%
This host is missing an important security
update according to Microsoft KB4493211
# Copyright (C) 2021 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.
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.817916");
script_version("2021-08-25T12:01:03+0000");
script_cve_id("CVE-2021-24067", "CVE-2021-24068", "CVE-2021-24069", "CVE-2021-24070");
script_tag(name:"cvss_base", value:"6.8");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
script_tag(name:"last_modification", value:"2021-08-25 12:01:03 +0000 (Wed, 25 Aug 2021)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/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:"2021-03-03 15:52:00 +0000 (Wed, 03 Mar 2021)");
script_tag(name:"creation_date", value:"2021-02-10 09:51:53 +0530 (Wed, 10 Feb 2021)");
script_name("Microsoft Excel 2013 Remote Code Execution Vulnerabilities (KB4493211)");
script_tag(name:"summary", value:"This host is missing an important security
update according to Microsoft KB4493211");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present
on the target host.");
script_tag(name:"insight", value:"Multiple remote code execution vulnerabilities
exist in Microsoft Excel software.");
script_tag(name:"impact", value:"Successful exploitation will allow an attacker
to execute arbitrary code.");
script_tag(name:"affected", value:"Microsoft Excel 2013.");
script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"executable_version");
script_xref(name:"URL", value:"https://support.microsoft.com/en-us/help/4493211");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
script_family("Windows : Microsoft Bulletins");
script_dependencies("secpod_office_products_version_900032.nasl");
script_mandatory_keys("SMB/Office/Excel/Version");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
vers = get_kb_item("SMB/Office/Excel/Version");
if(!vers){
exit(0);
}
path = get_kb_item("SMB/Office/Excel/Install/Path");
if(!path){
path = "Unable to fetch the install path";
}
if(version_in_range(version:vers, test_version:"15.0", test_version2:"15.0.5319.0999"))
{
report = report_fixed_ver(file_checked:path + "Excel.exe",
file_version:vers, vulnerable_range:"15.0 - 15.0.5319.0999");
security_message(data:report);
exit(0);
}
exit(99);
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
84.9%