10 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
9.9 High
AI Score
Confidence
High
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.976 High
EPSS
Percentile
100.0%
Apache Struts is prone to a remote code execution (RCE)
vulnerability in the Apache Log4j library.
# SPDX-FileCopyrightText: 2022 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-or-later
CPE = "cpe:/a:apache:struts";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.117904");
script_version("2023-05-18T09:08:59+0000");
script_tag(name:"last_modification", value:"2023-05-18 09:08:59 +0000 (Thu, 18 May 2023)");
script_tag(name:"creation_date", value:"2022-01-19 07:00:46 +0000 (Wed, 19 Jan 2022)");
script_tag(name:"cvss_base", value:"5.1");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:P/I:P/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-12-21 00:15:00 +0000 (Tue, 21 Dec 2021)");
script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
script_cve_id("CVE-2021-45046");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Apache Struts 2.5.x < 2.5.28.1 Log4j RCE Vulnerability");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2022 Greenbone AG");
script_family("Web application abuses");
script_dependencies("gb_apache_struts_consolidation.nasl");
script_mandatory_keys("apache/struts/detected");
script_tag(name:"summary", value:"Apache Struts is prone to a remote code execution (RCE)
vulnerability in the Apache Log4j library.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"It was found that the fix to address CVE-2021-44228 in Apache
Log4j 2.15.0 was incomplete in certain non-default configurations. This could allow attackers with
control over Thread Context Map (MDC) input data when the logging configuration uses a non-default
Pattern Layout with either a Context Lookup (for example, $${ctx:loginId}) or a Thread Context Map
pattern (%X, %mdc, or %MDC) to craft malicious input data using a JNDI Lookup pattern resulting in
an information leak and remote code execution in some environments and local code execution in all
environments.");
script_tag(name:"affected", value:"Apache Struts version 2.5.x prior to 2.5.28.1.");
script_tag(name:"solution", value:"Update to version 2.5.28.1 or later.");
script_xref(name:"URL", value:"https://struts.apache.org/announce-2021#a20211217");
script_xref(name:"URL", value:"https://github.com/advisories/GHSA-jfh8-c2jp-5v3q");
script_xref(name:"URL", value:"https://www.openwall.com/lists/oss-security/2021/12/10/1");
script_xref(name:"URL", value:"https://www.lunasec.io/docs/blog/log4j-zero-day/");
script_xref(name:"URL", value:"https://www.lunasec.io/docs/blog/log4j-zero-day-update-on-cve-2021-45046/");
exit(0);
}
include("version_func.inc");
include("host_details.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_exclusive(version: version, test_version_lo: "2.5.0", test_version_up: "2.5.28.1")) {
report = report_fixed_ver(installed_version: version, fixed_version: "2.5.28.1", install_path: location);
security_message(port: port, data: report);
exit(0);
}
exit(99);
github.com/advisories/GHSA-jfh8-c2jp-5v3q
struts.apache.org/announce-2021#a20211217
www.cisa.gov/known-exploited-vulnerabilities-catalog
www.lunasec.io/docs/blog/log4j-zero-day-update-on-cve-2021-45046/
www.lunasec.io/docs/blog/log4j-zero-day/
www.openwall.com/lists/oss-security/2021/12/10/1
Known Exploited Vulnerability (KEV) catalog
10 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
9.9 High
AI Score
Confidence
High
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.976 High
EPSS
Percentile
100.0%