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
4.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
5.3 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
28.4%
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("1.3.6.1.4.1.25623.1.0.145383");
script_version("2021-08-17T12:00:57+0000");
script_tag(name:"last_modification", value:"2021-08-17 12:00:57 +0000 (Tue, 17 Aug 2021)");
script_tag(name:"creation_date", value:"2021-02-15 05:53:31 +0000 (Mon, 15 Feb 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:H/UI:N/S:U/C:H/I:N/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-03-26 12:49:00 +0000 (Fri, 26 Mar 2021)");
script_cve_id("CVE-2020-7021");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Elastic Elasticsearch Information Disclosure Vulnerability (ESA-2021-03)");
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:"Elasticsearch has an information disclosure issue when audit logging and
the emit_request_body option is enabled. The Elasticsearch audit log could contain sensitive information
such as password hashes or authentication tokens.");
script_tag(name:"impact", value:"This could allow an Elasticsearch administrator to view sensitive details.");
script_tag(name:"affected", value:"Elasticsearch versions prior to 6.8.14 and 7.0.0 prior to 7.10.0.");
script_tag(name:"solution", value:"Update to version 6.8.14, 7.10.0 or later.");
script_xref(name:"URL", value:"https://discuss.elastic.co/t/elastic-stack-7-11-0-and-6-8-14-security-update/263915");
script_xref(name:"URL", value:"https://www.elastic.co/community/security");
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_is_less(version: version, test_version: "6.8.14")) {
report = report_fixed_ver(installed_version: version, fixed_version: "6.8.14", install_path: location);
security_message(port: port, data: report);
exit(0);
}
if (version =~ "^7\." && version_is_less(version: version, test_version: "7.10.0")) {
report = report_fixed_ver(installed_version: version, fixed_version: "7.10.0", 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
4.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
5.3 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
28.4%