CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/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
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
97.3%
The Windows installation on the remote host is missing security update 4586781. It is, therefore, affected by multiple vulnerabilities. Please review the vendor advisory for more details.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from the Microsoft Security Updates API. The text
# itself is copyright (C) Microsoft Corporation.
#
include('compat.inc');
if (description)
{
script_id(142686);
script_version("1.10");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/17");
script_cve_id(
"CVE-2020-1599",
"CVE-2020-16997",
"CVE-2020-17000",
"CVE-2020-17001",
"CVE-2020-17004",
"CVE-2020-17011",
"CVE-2020-17014",
"CVE-2020-17024",
"CVE-2020-17025",
"CVE-2020-17026",
"CVE-2020-17027",
"CVE-2020-17028",
"CVE-2020-17029",
"CVE-2020-17031",
"CVE-2020-17032",
"CVE-2020-17033",
"CVE-2020-17034",
"CVE-2020-17036",
"CVE-2020-17038",
"CVE-2020-17040",
"CVE-2020-17041",
"CVE-2020-17042",
"CVE-2020-17043",
"CVE-2020-17044",
"CVE-2020-17045",
"CVE-2020-17047",
"CVE-2020-17049",
"CVE-2020-17051",
"CVE-2020-17052",
"CVE-2020-17055",
"CVE-2020-17056",
"CVE-2020-17068",
"CVE-2020-17069",
"CVE-2020-17087",
"CVE-2020-17088"
);
script_xref(name:"MSKB", value:"4586823");
script_xref(name:"MSKB", value:"4586845");
script_xref(name:"MSFT", value:"MS20-4586823");
script_xref(name:"MSFT", value:"MS20-4586845");
script_xref(name:"IAVA", value:"2020-A-0513-S");
script_xref(name:"IAVA", value:"2020-A-0518-S");
script_xref(name:"IAVA", value:"2020-A-0521-S");
script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/05/03");
script_xref(name:"CEA-ID", value:"CEA-2020-0135");
script_xref(name:"CEA-ID", value:"CEA-2020-0124");
script_name(english:"KB4586823: Windows 8.1 and Windows Server 2012 R2 November 2020 Security Update");
script_set_attribute(attribute:"synopsis", value:
"The remote Windows host is affected by multiple vulnerabilities.");
script_set_attribute(attribute:"description", value:
"The Windows installation on the remote host is missing security update 4586781. It is, therefore,
affected by multiple vulnerabilities. Please review the vendor advisory for more details.");
script_set_attribute(attribute:"see_also", value:"https://support.microsoft.com/en-us/help/4586823/windows-8-1-update");
script_set_attribute(attribute:"see_also", value:"https://support.microsoft.com/en-us/help/4586845/windows-8-1-update");
script_set_attribute(attribute:"solution", value:
"Apply Security Only update KB4586823 or Cumulative Update KB4586845.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-17051");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploited_by_malware", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/11/10");
script_set_attribute(attribute:"patch_publication_date", value:"2020/11/10");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/11/10");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows_8");
script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows_server_2012:r2");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows : Microsoft Bulletins");
script_copyright(english:"This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("smb_check_rollup.nasl", "smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl");
script_require_keys("SMB/MS_Bulletin_Checks/Possible");
script_require_ports(139, 445, "Host/patch_management_checks");
exit(0);
}
include("audit.inc");
include("smb_hotfixes_fcheck.inc");
include("smb_hotfixes.inc");
include("smb_func.inc");
include("misc_func.inc");
get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");
bulletin = "MS20-11";
kbs = make_list('4586823', '4586845');
if (get_kb_item("Host/patch_management_checks")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE);
get_kb_item_or_exit("SMB/Registry/Enumerated");
get_kb_item_or_exit("SMB/WindowsVersion", exit_code:1);
if (hotfix_check_sp_range(win81:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN);
# Windows 8 EOL
productname = get_kb_item_or_exit("SMB/ProductName", exit_code:1);
if ("Windows 8" >< productname && "8.1" >!< productname)
audit(AUDIT_OS_SP_NOT_VULN);
share = hotfix_get_systemdrive(as_share:TRUE, exit_on_fail:TRUE);
if (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share);
if (
smb_check_rollup(os:"6.3",
sp:0,
rollup_date:"11_2020",
bulletin:bulletin,
rollup_kb_list:[4586823, 4586845])
)
{
replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);
hotfix_security_hole();
hotfix_check_fversion_end();
exit(0);
}
else
{
hotfix_check_fversion_end();
audit(AUDIT_HOST_NOT, hotfix_get_audit_report());
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1599
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16997
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17000
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17001
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17004
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17011
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17014
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17024
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17025
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17026
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17027
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17028
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17029
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17031
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17032
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17033
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17034
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17036
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17038
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17040
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17041
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17042
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17043
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17044
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17045
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17047
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17049
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17051
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17052
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17055
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17056
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17068
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17069
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17087
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17088
support.microsoft.com/en-us/help/4586823/windows-8-1-update
support.microsoft.com/en-us/help/4586845/windows-8-1-update
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/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
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
97.3%