CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
14.0%
An attacker with access to the vulnerable software could introduce arbitrary JavaScript by injecting a cross-site scripting payload into the ‘username’ parameter in the SNMP configuration.
This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
{
script_id(502188);
script_version("1.2");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/09/04");
script_cve_id("CVE-2023-42765");
script_xref(name:"ICSA", value:"24-023-04");
script_name(english:"Westermo Lynx Cross-site Scripting (CVE-2023-42765)");
script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
script_set_attribute(attribute:"description", value:
"An attacker with access to the vulnerable software could introduce
arbitrary JavaScript by injecting a cross-site scripting payload into
the 'username' parameter in the SNMP configuration.
This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
# https://www.westermo.com/us/-/media/Files/Cyber-security/westermo_sa_vulnerabilities_in_web_interface_for_weos_products-24-01.pdf
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?9beee5a6");
script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-24-023-04");
script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-42765");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2024/01/23");
script_set_attribute(attribute:"patch_publication_date", value:"2024/01/23");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/04/03");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/o:westermo:l206-f2g_firmware");
script_set_attribute(attribute:"generated_plugin", value:"former");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Tenable.ot");
script_copyright(english:"This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("tenable_ot_api_integration.nasl");
script_require_keys("Tenable.ot/Westermo");
exit(0);
}
include('tenable_ot_cve_funcs.inc');
get_kb_item_or_exit('Tenable.ot/Westermo');
var asset = tenable_ot::assets::get(vendor:'Westermo');
var vuln_cpes = {
"cpe:/o:westermo:l206-f2g_firmware" :
{"family" : "WestermoLynx", "versionStartIncluding" : "4.24", "versionEndIncluding" : "4.24"}
};
tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_WARNING);
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
14.0%