6.8 Medium
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
8.8 High
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
0.027 Low
EPSS
Percentile
90.5%
The version of Microsoft Edge installed on the remote Windows host is prior to 91.0.864.54. It is, therefore, affected by multiple vulnerabilities as referenced in the June 18, 2021 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
##
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(150868);
script_version("1.7");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/04/25");
script_cve_id(
"CVE-2021-30554",
"CVE-2021-30555",
"CVE-2021-30556",
"CVE-2021-30557"
);
script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2021/11/17");
script_name(english:"Microsoft Edge (Chromium) < 91.0.864.54 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 91.0.864.54. It is, therefore, affected
by multiple vulnerabilities as referenced in the June 18, 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#june-18-2021
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?fe8ae1a6");
script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-30554");
script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-30555");
script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-30556");
script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-30557");
script_set_attribute(attribute:"solution", value:
"Upgrade to Microsoft Edge version 91.0.864.54 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:F/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:F/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-30557");
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:"2021/06/17");
script_set_attribute(attribute:"patch_publication_date", value:"2021/06/18");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/06/18");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:edge");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows");
script_copyright(english:"This script is Copyright (C) 2021-2023 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' : '91.0.864.54' }
];
vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30554
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30555
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30556
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30557
www.nessus.org/u?fe8ae1a6
msrc.microsoft.com/update-guide/vulnerability/CVE-2021-30554
msrc.microsoft.com/update-guide/vulnerability/CVE-2021-30555
msrc.microsoft.com/update-guide/vulnerability/CVE-2021-30556
msrc.microsoft.com/update-guide/vulnerability/CVE-2021-30557
6.8 Medium
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
8.8 High
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
0.027 Low
EPSS
Percentile
90.5%