7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.89 High
EPSS
Percentile
98.7%
Apache Tomcat is prone to multiple denial of service vulnerabilities.
# SPDX-FileCopyrightText: 2020 Greenbone AG
# 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-only
CPE = "cpe:/a:apache:tomcat";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.144274");
script_version("2024-02-08T14:36:53+0000");
script_tag(name:"last_modification", value:"2024-02-08 14:36:53 +0000 (Thu, 08 Feb 2024)");
script_tag(name:"creation_date", value:"2020-07-17 06:15:35 +0000 (Fri, 17 Jul 2020)");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-07-20 23:15:00 +0000 (Tue, 20 Jul 2021)");
script_cve_id("CVE-2020-13934", "CVE-2020-13935");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Apache Tomcat Multiple DoS Vulnerabilities (Jul 2020) - Windows");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2020 Greenbone AG");
script_family("Denial of Service");
script_dependencies("gb_apache_tomcat_consolidation.nasl", "os_detection.nasl");
script_mandatory_keys("apache/tomcat/detected", "Host/runs_windows");
script_tag(name:"summary", value:"Apache Tomcat is prone to multiple denial of service vulnerabilities.");
script_tag(name:"insight", value:"The following vulnerabilitities exist:
- HTTP/2 Denial of Service (CVE-2020-13934)
- WebSocket Denial of Service (CVE-2020-13935)");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"affected", value:"Apache Tomcat 8.5.1 to 8.5.56, 9.0.0.M5 to 9.0.36 and 10.0.0-M1 to 10.0.0-M6.");
script_tag(name:"solution", value:"Update to version 8.5.57, 9.0.37, 10.0.0-M7 or later.");
script_xref(name:"URL", value:"https://lists.apache.org/thread.html/r61f411cf82488d6ec213063fc15feeeb88e31b0ca9c29652ee4f962e%40%3Cannounce.tomcat.apache.org%3E");
script_xref(name:"URL", value:"https://lists.apache.org/thread.html/rd48c72bd3255bda87564d4da3791517c074d94f8a701f93b85752651%40%3Cannounce.tomcat.apache.org%3E");
script_xref(name:"URL", value:"https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.0-M7");
script_xref(name:"URL", value:"https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.37");
script_xref(name:"URL", value:"https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.57");
exit(0);
}
include("host_details.inc");
include("revisions-lib.inc");
include("version_func.inc");
if (isnull(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: "8.5.0", test_version2: "8.5.56")) {
report = report_fixed_ver(installed_version: version, fixed_version: "8.5.57", install_path: location);
security_message(port: port, data: report);
exit(0);
}
if ((revcomp(a: version, b: "9.0.0.M5") >= 0) && (revcomp(a: version, b: "9.0.36") <= 0)) {
report = report_fixed_ver(installed_version: version, fixed_version: "9.0.37", install_path: location);
security_message(port: port, data: report);
exit(0);
}
if ((revcomp(a: version, b: "10.0.0.M1") >= 0) && (revcomp(a: version, b: "10.0.0.M6") <= 0)) {
report = report_fixed_ver(installed_version: version, fixed_version: "10.0.0-M7", install_path: location);
security_message(port: port, data: report);
exit(0);
}
exit(99);
lists.apache.org/thread.html/r61f411cf82488d6ec213063fc15feeeb88e31b0ca9c29652ee4f962e%40%3Cannounce.tomcat.apache.org%3E
lists.apache.org/thread.html/rd48c72bd3255bda87564d4da3791517c074d94f8a701f93b85752651%40%3Cannounce.tomcat.apache.org%3E
tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.0-M7
tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.57
tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.37
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.89 High
EPSS
Percentile
98.7%