CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
72.9%
The Microsoft Office Products are missing security updates. It is, therefore, affected by a security feature bypass vulnerability. An attacker can exploit this and bypass the security feature and perform unauthorized actions compromising the confidentiality and integrity of the system/application.
Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 70300
#
# (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('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(162023);
script_version("1.10");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/12/29");
script_cve_id("CVE-2021-34469");
script_xref(name:"IAVA", value:"2021-A-0316-S");
script_name(english:"Security Updates for Microsoft Office Products C2R (July 2021)");
script_set_attribute(attribute:"synopsis", value:
"The Microsoft Office Products are affected by a security feature bypass vulnerability.");
script_set_attribute(attribute:"description", value:
"The Microsoft Office Products are missing security updates. It is, therefore, affected by a security feature bypass
vulnerability. An attacker can exploit this and bypass the security feature and perform unauthorized actions
compromising the confidentiality and integrity of the system/application.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
# https://docs.microsoft.com/en-us/officeupdates/update-history-microsoft365-apps-by-date
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?fd4508ff");
script_set_attribute(attribute:"solution", value:
"For Office 365, Office 2016 C2R, or Office 2019, ensure automatic
updates are enabled or open any office app and manually perform an
update.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N");
script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-34469");
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:"2021/07/13");
script_set_attribute(attribute:"patch_publication_date", value:"2021/07/13");
script_set_attribute(attribute:"plugin_publication_date", value:"2022/06/10");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:office");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows");
script_copyright(english:"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("office_installed.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('vcf_extras_office.inc');
var bulletin = 'MS21-07';
var app_info = vcf::microsoft::office::get_app_info(app:'Microsoft Office');
var constraints = [
{'product':'Microsoft Office 2016','file':'graph.exe','fixed_version':'16.0.13801.20808','channel': 'Deferred','channel_version': '2102'},
{'product':'Microsoft Office 2016','file':'graph.exe','fixed_version':'16.0.13127.21704','channel': 'Deferred','channel_version': '2008'},
{'product':'Microsoft Office 2016','file':'graph.exe','fixed_version':'16.0.12527.21986','channel': 'Microsoft 365 Apps on Windows 7'},
{'product':'Microsoft Office 2016','file':'graph.exe','fixed_version':'16.0.12527.21986','channel': 'Deferred'},
{'product':'Microsoft Office 2016','file':'graph.exe','fixed_version':'16.0.14026.20334','channel': 'Enterprise Deferred','channel_version': '2105'},
{'product':'Microsoft Office 2016','file':'graph.exe','fixed_version':'16.0.13929.20434','channel': 'Enterprise Deferred'},
{'product':'Microsoft Office 2016','file':'graph.exe','fixed_version':'16.0.13801.20808','channel': 'First Release for Deferred'},
{'product':'Microsoft Office 2016','file':'graph.exe','fixed_version':'16.0.14131.20320','channel': '2016 Retail'},
{'product':'Microsoft Office 2016','file':'graph.exe','fixed_version':'16.0.14131.20320','channel': 'Current'},
{'product':'Microsoft Office 2019','file':'graph.exe','fixed_version':'16.0.14131.20320','channel': '2019 Retail'},
{'product':'Microsoft Office 2019','file':'graph.exe','fixed_version':'16.0.10376.20033','channel': '2019 Volume'}
];
vcf::microsoft::office::check_version_and_report(
app_info:app_info,
constraints:constraints,
severity:SECURITY_WARNING,
bulletin:bulletin,
subproduct:'Office'
);
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
72.9%