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
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
85.2%
The version of Microsoft Edge installed on the remote Windows host is prior to 89.0.774.68. It is, therefore, affected by multiple vulnerabilities as referenced in the April 1, 2021 advisory. Note that Nessus has not tested for this issue but has instead relied only on the applicationβs self-reported version number.
##
# (C) Tenable Network Security, Inc.
##
include('compat.inc');
if (description)
{
script_id(148298);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/06/07");
script_cve_id(
"CVE-2021-21194",
"CVE-2021-21195",
"CVE-2021-21196",
"CVE-2021-21197",
"CVE-2021-21198",
"CVE-2021-21199"
);
script_xref(name:"IAVA", value:"2021-A-0152-S");
script_name(english:"Microsoft Edge (Chromium) < 89.0.774.68 Multiple Vulnerabilities");
script_set_attribute(attribute:"synopsis", value:
"The remote host has an web browser installed that is affected by multiple vulnerabilities.");
script_set_attribute(attribute:"description", value:
"The version of Microsoft Edge installed on the remote Windows host is prior to 89.0.774.68. It is, therefore, affected
by multiple vulnerabilities as referenced in the April 1, 2021 advisory. Note that Nessus has not tested for this issue
but has instead relied only on the application's self-reported version number.");
# https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#april-1-2021
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d3ce740a");
script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21194");
script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21195");
script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21196");
script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21197");
script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21198");
script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21199");
script_set_attribute(attribute:"solution", value:
"Upgrade to Microsoft Edge version 89.0.774.68 or later.");
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:N/UI:R/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-2021-21199");
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:"2021/04/01");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/04/02");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:edge");
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) 2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("microsoft_edge_chromium_installed.nbin");
script_require_keys("installed_sw/Microsoft Edge (Chromium)", "SMB/Registry/Enumerated");
exit(0);
}
include('vcf.inc');
get_kb_item_or_exit('SMB/Registry/Enumerated');
app_info = vcf::get_app_info(app:'Microsoft Edge (Chromium)', win_local:TRUE);
constraints = [
{ 'fixed_version' : '89.0.774.68' }
];
vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21194
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21195
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21196
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21197
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21198
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21199
www.nessus.org/u?d3ce740a
msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21194
msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21195
msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21196
msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21197
msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21198
msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21199
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
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
85.2%