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
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
87.1%
The remote Windows host is missing security updates. It is, therefore, affected by multiple vulnerabilities:
Microsoft Internet Messaging API Remote Code Execution Vulnerability (CVE-2021-27089)
Windows Kernel Information Disclosure Vulnerability (CVE-2021-27093, CVE-2021-28309)
Windows Media Video Decoder Remote Code Execution Vulnerability (CVE-2021-27095, CVE-2021-28315)
Windows Installer Spoofing Vulnerability (CVE-2021-26413)
Windows Installer Elevation of Privilege Vulnerability (CVE-2021-26415, CVE-2021-28440)
Microsoft Windows Codecs Library Information Disclosure Vulnerability (CVE-2021-28317)
Windows GDI+ Information Disclosure Vulnerability (CVE-2021-28318)
Windows DNS Information Disclosure Vulnerability (CVE-2021-28323, CVE-2021-28328)
Remote Procedure Call Runtime Remote Code Execution Vulnerability (CVE-2021-28327, CVE-2021-28329, CVE-2021-28330, CVE-2021-28331, CVE-2021-28332, CVE-2021-28333, CVE-2021-28334, CVE-2021-28335, CVE-2021-28336, CVE-2021-28337, CVE-2021-28338, CVE-2021-28339, CVE-2021-28340, CVE-2021-28341, CVE-2021-28342, CVE-2021-28343, CVE-2021-28344, CVE-2021-28345, CVE-2021-28346, CVE-2021-28352, CVE-2021-28353, CVE-2021-28354, CVE-2021-28355, CVE-2021-28356, CVE-2021-28357, CVE-2021-28358, CVE-2021-28434)
Windows GDI+ Remote Code Execution Vulnerability (CVE-2021-28348, CVE-2021-28349, CVE-2021-28350)
Windows Installer Information Disclosure Vulnerability (CVE-2021-28437)
Windows TCP/IP Driver Denial of Service Vulnerability (CVE-2021-28439)
Windows Console Driver Denial of Service Vulnerability (CVE-2021-28443)
Windows Network File System Remote Code Execution Vulnerability (CVE-2021-28445)
Windows Portmapping Information Disclosure Vulnerability (CVE-2021-28446)
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
##
# (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(148480);
script_version("1.13");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/17");
script_cve_id(
"CVE-2021-26413",
"CVE-2021-26415",
"CVE-2021-27089",
"CVE-2021-27093",
"CVE-2021-27095",
"CVE-2021-28309",
"CVE-2021-28315",
"CVE-2021-28317",
"CVE-2021-28318",
"CVE-2021-28323",
"CVE-2021-28327",
"CVE-2021-28328",
"CVE-2021-28329",
"CVE-2021-28330",
"CVE-2021-28331",
"CVE-2021-28332",
"CVE-2021-28333",
"CVE-2021-28334",
"CVE-2021-28335",
"CVE-2021-28336",
"CVE-2021-28337",
"CVE-2021-28338",
"CVE-2021-28339",
"CVE-2021-28340",
"CVE-2021-28341",
"CVE-2021-28342",
"CVE-2021-28343",
"CVE-2021-28344",
"CVE-2021-28345",
"CVE-2021-28346",
"CVE-2021-28348",
"CVE-2021-28349",
"CVE-2021-28350",
"CVE-2021-28352",
"CVE-2021-28353",
"CVE-2021-28354",
"CVE-2021-28355",
"CVE-2021-28356",
"CVE-2021-28357",
"CVE-2021-28358",
"CVE-2021-28434",
"CVE-2021-28437",
"CVE-2021-28439",
"CVE-2021-28440",
"CVE-2021-28443",
"CVE-2021-28445",
"CVE-2021-28446"
);
script_xref(name:"MSKB", value:"5001332");
script_xref(name:"MSKB", value:"5001389");
script_xref(name:"MSFT", value:"MS21-5001332");
script_xref(name:"MSFT", value:"MS21-5001389");
script_xref(name:"IAVA", value:"2021-A-0168-S");
script_xref(name:"IAVA", value:"2021-A-0171-S");
script_xref(name:"CEA-ID", value:"CEA-2021-0021");
script_name(english:"KB5001389: Windows Server 2008 Security Update (Apr 2021)");
script_set_attribute(attribute:"synopsis", value:
"The remote host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"The remote Windows host is missing security updates. It is, therefore, affected by multiple vulnerabilities:
- Microsoft Internet Messaging API Remote Code Execution Vulnerability (CVE-2021-27089)
- Windows Kernel Information Disclosure Vulnerability (CVE-2021-27093, CVE-2021-28309)
- Windows Media Video Decoder Remote Code Execution Vulnerability (CVE-2021-27095, CVE-2021-28315)
- Windows Installer Spoofing Vulnerability (CVE-2021-26413)
- Windows Installer Elevation of Privilege Vulnerability (CVE-2021-26415, CVE-2021-28440)
- Microsoft Windows Codecs Library Information Disclosure Vulnerability (CVE-2021-28317)
- Windows GDI+ Information Disclosure Vulnerability (CVE-2021-28318)
- Windows DNS Information Disclosure Vulnerability (CVE-2021-28323, CVE-2021-28328)
- Remote Procedure Call Runtime Remote Code Execution Vulnerability (CVE-2021-28327, CVE-2021-28329,
CVE-2021-28330, CVE-2021-28331, CVE-2021-28332, CVE-2021-28333, CVE-2021-28334, CVE-2021-28335,
CVE-2021-28336, CVE-2021-28337, CVE-2021-28338, CVE-2021-28339, CVE-2021-28340, CVE-2021-28341,
CVE-2021-28342, CVE-2021-28343, CVE-2021-28344, CVE-2021-28345, CVE-2021-28346, CVE-2021-28352,
CVE-2021-28353, CVE-2021-28354, CVE-2021-28355, CVE-2021-28356, CVE-2021-28357, CVE-2021-28358,
CVE-2021-28434)
- Windows GDI+ Remote Code Execution Vulnerability (CVE-2021-28348, CVE-2021-28349, CVE-2021-28350)
- Windows Installer Information Disclosure Vulnerability (CVE-2021-28437)
- Windows TCP/IP Driver Denial of Service Vulnerability (CVE-2021-28439)
- Windows Console Driver Denial of Service Vulnerability (CVE-2021-28443)
- Windows Network File System Remote Code Execution Vulnerability (CVE-2021-28445)
- Windows Portmapping Information Disclosure Vulnerability (CVE-2021-28446)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://support.microsoft.com/en-us/help/5001332");
script_set_attribute(attribute:"see_also", value:"https://support.microsoft.com/en-us/help/5001389");
script_set_attribute(attribute:"solution", value:
"Microsoft has released the following security updates to address this issue:
- KB5001332
- KB5001389");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-27095");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2021-28434");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2021/03/30");
script_set_attribute(attribute:"patch_publication_date", value:"2021/04/13");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/04/13");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows_server_2008");
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) 2021-2024 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('smb_func.inc');
include('smb_hotfixes.inc');
include('smb_hotfixes_fcheck.inc');
include('smb_reg_query.inc');
get_kb_item_or_exit('SMB/MS_Bulletin_Checks/Possible');
bulletin = 'MS21-04';
kbs = make_list(
'5001389',
'5001332'
);
if (get_kb_item('Host/patch_management_checks')) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_WARNING);
get_kb_item_or_exit('SMB/Registry/Enumerated');
get_kb_item_or_exit('SMB/WindowsVersion', exit_code:1);
if (hotfix_check_sp_range(vista:'2') <= 0) 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:'6.0',
sp:2,
rollup_date:'04_2021',
bulletin:bulletin,
rollup_kb_list:[5001389, 5001332])
)
{
replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);
hotfix_security_warning();
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-2021-26413
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26415
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27089
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27093
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27095
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28309
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28315
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28317
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28318
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28323
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28327
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28328
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28329
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28330
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28331
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28332
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28333
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28334
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28335
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28336
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28337
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28338
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28339
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28340
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28341
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28342
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28343
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28344
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28345
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28346
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28348
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28349
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28350
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28352
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28353
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28354
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28355
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28356
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28357
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28358
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28434
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28437
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28439
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28440
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28443
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28445
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28446
support.microsoft.com/en-us/help/5001332
support.microsoft.com/en-us/help/5001389
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
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
87.1%