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
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
AI Score
Confidence
High
EPSS
Percentile
99.6%
This host is missing a critical security
update according to Microsoft KB5003646
# 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("1.3.6.1.4.1.25623.1.0.818318");
script_version("2023-10-20T16:09:12+0000");
script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
script_cve_id("CVE-2021-1675", "CVE-2021-26414", "CVE-2021-31199", "CVE-2021-31201",
"CVE-2021-31951", "CVE-2021-31952", "CVE-2021-31953", "CVE-2021-31954",
"CVE-2021-31955", "CVE-2021-31956", "CVE-2021-31958", "CVE-2021-31959",
"CVE-2021-31962", "CVE-2021-31968", "CVE-2021-31969", "CVE-2021-31970",
"CVE-2021-31971", "CVE-2021-31972", "CVE-2021-31973", "CVE-2021-31974",
"CVE-2021-31975", "CVE-2021-31976", "CVE-2021-31977", "CVE-2021-33742");
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:"2023-10-20 16:09:12 +0000 (Fri, 20 Oct 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2023-08-01 23:15:00 +0000 (Tue, 01 Aug 2023)");
script_tag(name:"creation_date", value:"2021-06-10 07:49:18 +0530 (Thu, 10 Jun 2021)");
script_name("Microsoft Windows Multiple Vulnerabilities (KB5003646)");
script_tag(name:"summary", value:"This host is missing a critical security
update according to Microsoft KB5003646");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present
on the target host.");
script_tag(name:"insight", value:"Multiple flaws exist due to:
- An error in Server for NFS.
- An error in HTML Platform.
- An error in Scripting Engine.
For more information about the vulnerabilities refer to Reference links.");
script_tag(name:"impact", value:"Successful exploitation will allow an attacker
to perform remote code execution, gain access to potentially sensitive data,
conduct DoS, bypass security features and elevate privileges.");
script_tag(name:"affected", value:"- Microsoft Windows 10 Version 1809 for 32-bit Systems
- Microsoft Windows 10 Version 1809 for x64-based Systems
- Microsoft Windows Server 2019");
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/topic/june-8-2021-kb5003646-os-build-17763-1999-81e2ff5a-0769-4e56-8762-059dd6e0d6bb");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
script_family("Windows : Microsoft Bulletins");
script_dependencies("smb_reg_service_pack.nasl");
script_require_ports(139, 445);
script_mandatory_keys("SMB/WindowsVersion");
exit(0);
}
include("smb_nt.inc");
include("secpod_reg.inc");
include("version_func.inc");
include("secpod_smb_func.inc");
if(hotfix_check_sp(win10:1, win10x64:1, win2019:1) <= 0){
exit(0);
}
dllPath = smb_get_system32root();
if(!dllPath ){
exit(0);
}
fileVer = fetch_file_version(sysPath:dllPath, file_name:"ntoskrnl.exe");
if(!fileVer){
exit(0);
}
if(version_in_range(version:fileVer, test_version:"10.0.17763.0", test_version2:"10.0.17763.1998"))
{
report = report_fixed_ver(file_checked:dllPath + "\Ntoskrnl.exe",
file_version:fileVer, vulnerable_range:"10.0.17763.0 - 10.0.17763.1998");
security_message(data:report);
exit(0);
}
exit(99);
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
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
AI Score
Confidence
High
EPSS
Percentile
99.6%