7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
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
0.001 Low
EPSS
Percentile
41.7%
Moxa TN-5900 v3.1 series routers, MGate 5109 v2.2 series protocol gateways, and MGate 5101-PBM-MN v2.1 series protocol gateways were discovered to contain a memory leak which allows attackers to cause a Denial of Service (DoS) via crafted packets.
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(501452);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/08/03");
script_cve_id("CVE-2021-46082");
script_name(english:"Moxa Moxa TN-5900 (CVE-2021-46082)");
script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
script_set_attribute(attribute:"description", value:
"Moxa TN-5900 v3.1 series routers, MGate 5109 v2.2 series protocol
gateways, and MGate 5101-PBM-MN v2.1 series protocol gateways were
discovered to contain a memory leak which allows attackers to cause a
Denial of Service (DoS) via crafted packets.
This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
# https://www.moxa.com/en/support/product-support/security-advisory/mgate-5109-5101-protocol-gateways-vulnerability
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?bcab3ee7");
# https://www.moxa.com/en/support/product-support/security-advisory/tn-5900-secure-routers-vulnerability
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?3aeb8b64");
script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
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: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-2021-46082");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(401);
script_set_attribute(attribute:"vuln_publication_date", value:"2022/02/18");
script_set_attribute(attribute:"patch_publication_date", value:"2022/02/18");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/08/02");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:mgate_5101-pbm-mn-t_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:mgate_5101-pbm-mn_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:mgate_5109-t_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:mgate_5109_firmware");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Tenable.ot");
script_copyright(english:"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("tenable_ot_api_integration.nasl");
script_require_keys("Tenable.ot/Moxa");
exit(0);
}
include('tenable_ot_cve_funcs.inc');
get_kb_item_or_exit('Tenable.ot/Moxa');
var asset = tenable_ot::assets::get(vendor:'Moxa');
var vuln_cpes = {
"cpe:/o:moxa:mgate_5109_firmware" :
{"versionEndIncluding" : "2.2", "family" : "MoxaMGate"},
"cpe:/o:moxa:mgate_5109-t_firmware" :
{"versionEndIncluding" : "2.2", "family" : "MoxaMGate"},
"cpe:/o:moxa:mgate_5101-pbm-mn_firmware" :
{"versionEndIncluding" : "2.1", "family" : "MoxaMGate"},
"cpe:/o:moxa:mgate_5101-pbm-mn-t_firmware" :
{"versionEndIncluding" : "2.1", "family" : "MoxaMGate"}
};
tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_HOLE);
Vendor | Product | Version | CPE |
---|---|---|---|
moxa | mgate_5101-pbm-mn-t_firmware | cpe:/o:moxa:mgate_5101-pbm-mn-t_firmware | |
moxa | mgate_5101-pbm-mn_firmware | cpe:/o:moxa:mgate_5101-pbm-mn_firmware | |
moxa | mgate_5109-t_firmware | cpe:/o:moxa:mgate_5109-t_firmware | |
moxa | mgate_5109_firmware | cpe:/o:moxa:mgate_5109_firmware |
7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
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
0.001 Low
EPSS
Percentile
41.7%