4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:N/A:N
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.3 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
44.6%
Elasticsearch is prone to an information disclosure vulnerability.
# Copyright (C) 2021 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
CPE = "cpe:/a:elastic:elasticsearch";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.146711");
script_version("2021-09-27T08:01:28+0000");
script_tag(name:"last_modification", value:"2021-09-27 08:01:28 +0000 (Mon, 27 Sep 2021)");
script_tag(name:"creation_date", value:"2021-09-16 07:40:35 +0000 (Thu, 16 Sep 2021)");
script_tag(name:"cvss_base", value:"4.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:N/A:N");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-09-25 11:20:00 +0000 (Sat, 25 Sep 2021)");
script_cve_id("CVE-2021-22147");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Elastic Elasticsearch Information Disclosure Vulnerability (ESA-2021-18)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
script_family("Web application abuses");
script_dependencies("gb_elastic_elasticsearch_detect_http.nasl");
script_mandatory_keys("elastic/elasticsearch/detected");
script_tag(name:"summary", value:"Elasticsearch is prone to an information disclosure vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"A flaw was discovered in Elasticsearch where document and field
level security was not applied to searchable snapshots. This could lead to an authenticated user
gaining access to information that they are unauthorized to view.");
script_tag(name:"affected", value:"Elasticsearch version 7.11.0 through 7.13.4.");
script_tag(name:"solution", value:"Update to version 7.14.0 or later.");
script_xref(name:"URL", value:"https://discuss.elastic.co/t/elastic-stack-7-14-0-security-update/280344");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if (!port = get_app_port(cpe: CPE))
exit(0);
if (!infos = get_app_version_and_location(cpe: CPE, port: port, exit_no_version: TRUE))
exit(0);
version = infos["version"];
location = infos["location"];
if (version_in_range(version: version, test_version: "7.11.0", test_version2: "7.13.4")) {
report = report_fixed_ver(installed_version: version, fixed_version: "7.14.0", install_path: location);
security_message(port: port, data: report);
exit(0);
}
exit(99);
4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:N/A:N
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.3 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
44.6%