CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
55.3%
In Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU: serial number 21081 and prior, Q04/06/13/26UDPVCPU: serial number 21081 and prior, and Q03UDECPU, Q04/06/10/13/20/26/50/100UDEHCPU: serial number 21081 and prior, MELSEC-L Series L02/06/26CPU, L26CPU-BT: serial number 21101 and prior, L02/06/26CPU-P, L26CPU-PBT: serial number 21101 and prior, and L02/06/26CPU-CM, L26CPU-BT-CM: serial number 21101 and prior, a remote attacker can cause the FTP service to enter a denial-of-service condition dependent on the timing at which a remote attacker connects to the FTP server on the above CPU modules.
This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information.
#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
##
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(500350);
script_version("1.8");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/09/04");
script_cve_id("CVE-2019-13555");
script_xref(name:"ICSA", value:"19-311-01");
script_name(english:"Mitsubishi Electric MELSEC-Q Series and MELSEC-L Series CPU Modules Uncontrolled Resource Consumption (CVE-2019-13555)");
script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
script_set_attribute(attribute:"description", value:
"In Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU: serial number 21081 and prior, Q04/06/13/26UDPVCPU: serial
number 21081 and prior, and Q03UDECPU, Q04/06/10/13/20/26/50/100UDEHCPU: serial number 21081 and prior, MELSEC-L Series
L02/06/26CPU, L26CPU-BT: serial number 21101 and prior, L02/06/26CPU-P, L26CPU-PBT: serial number 21101 and prior, and
L02/06/26CPU-CM, L26CPU-BT-CM: serial number 21101 and prior, a remote attacker can cause the FTP service to enter a
denial-of-service condition dependent on the timing at which a remote attacker connects to the FTP server on the above
CPU modules.
This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more
information.");
script_set_attribute(attribute:"see_also", value:"https://www.us-cert.gov/ics/advisories/icsa-19-311-01");
script_set_attribute(attribute:"solution", value:
"The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original
can be found at CISA.gov.
Mitsubishi Electric has produced a new version of the firmware. Additional information about this vulnerability or
Mitsubishi Electric's compensating control is available by contacting a local Mitsubishi Electric representative, which
can be found at the following location:
https://us.mitsubishielectric.com/fa/en/about-us/distributors
Mitsubishi Electric strongly recommends that users should operate the affected device behind a firewall.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-13555");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(400);
script_set_attribute(attribute:"vuln_publication_date", value:"2019/11/13");
script_set_attribute(attribute:"patch_publication_date", value:"2019/11/13");
script_set_attribute(attribute:"plugin_publication_date", value:"2022/02/07");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q03udvcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q04udvcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q06udvcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q13udvcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q26udvcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q04udpvcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q06udpvcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q13udpvcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q26udpvcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q03udecpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q04udehcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q06udehcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q10udehcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q13udehcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q20udehcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q26udehcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q50udehcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:q100udehcpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:l02cpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:l06cpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:l26cpu_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:l26cpu-bt_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:l02cpu-p_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:l06cpu-p_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:l26cpu-p_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:l26cpu-pbt_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:l02cpu-cm_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:l06cpu-cm_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:l26cpu-cm_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:l26cpu-bt-cm_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) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("tenable_ot_api_integration.nasl");
script_require_keys("Tenable.ot/Mitsubishi");
exit(0);
}
include('tenable_ot_cve_funcs.inc');
get_kb_item_or_exit('Tenable.ot/Mitsubishi');
var asset = tenable_ot::assets::get(vendor:'Mitsubishi');
var vuln_cpes = {
"cpe:/o:mitsubishielectric:q03udvcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q04udvcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q06udvcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q13udvcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q26udvcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q04udpvcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q06udpvcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q13udpvcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q26udpvcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q03udecpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q04udehcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q06udehcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q10udehcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q13udehcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q20udehcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q26udehcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q50udehcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:q100udehcpu_firmware" :
{"versionEndIncluding" : "21081", "family" : "MELSECQ"},
"cpe:/o:mitsubishielectric:l02cpu_firmware" :
{"versionEndIncluding" : "21101", "family" : "MELSECL"},
"cpe:/o:mitsubishielectric:l06cpu_firmware" :
{"versionEndIncluding" : "21101", "family" : "MELSECL"},
"cpe:/o:mitsubishielectric:l26cpu_firmware" :
{"versionEndIncluding" : "21101", "family" : "MELSECL"},
"cpe:/o:mitsubishielectric:l26cpu-bt_firmware" :
{"versionEndIncluding" : "21101", "family" : "MELSECL"},
"cpe:/o:mitsubishielectric:l02cpu-p_firmware" :
{"versionEndIncluding" : "21101", "family" : "MELSECL"},
"cpe:/o:mitsubishielectric:l06cpu-p_firmware" :
{"versionEndIncluding" : "21101", "family" : "MELSECL"},
"cpe:/o:mitsubishielectric:l26cpu-p_firmware" :
{"versionEndIncluding" : "21101", "family" : "MELSECL"},
"cpe:/o:mitsubishielectric:l26cpu-pbt_firmware" :
{"versionEndIncluding" : "21101", "family" : "MELSECL"},
"cpe:/o:mitsubishielectric:l02cpu-cm_firmware" :
{"versionEndIncluding" : "21101", "family" : "MELSECL"},
"cpe:/o:mitsubishielectric:l06cpu-cm_firmware" :
{"versionEndIncluding" : "21101", "family" : "MELSECL"},
"cpe:/o:mitsubishielectric:l26cpu-cm_firmware" :
{"versionEndIncluding" : "21101", "family" : "MELSECL"},
"cpe:/o:mitsubishielectric:l26cpu-bt-cm_firmware" :
{"versionEndIncluding" : "21101", "family" : "MELSECL"}
};
tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_WARNING);
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
55.3%