CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS
Percentile
22.7%
By exploiting a vulnerability in NPort IA5150A/IA5250A Series before version 1.5, a user with Read Only privilege level can send requests via the web console to have the device’s configuration changed.
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(501444);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/21");
script_cve_id("CVE-2020-27149");
script_name(english:"Moxa NPort IA5150A/IA5250A Series Improper Access Control (CVE-2020-27149)");
script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
script_set_attribute(attribute:"description", value:
"By exploiting a vulnerability in NPort IA5150A/IA5250A Series before
version 1.5, a user with Read Only privilege level can send requests
via the web console to have the device's configuration changed.
This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
# https://ics-cert.kaspersky.com/advisories/klcert-advisories/2021/05/11/klcert-20-018%2C
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?520add90");
# https://www.moxa.com/en/support/product-support/security-advisory/nport-ia5000a-serial-device-servers-vulnerabilities
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?6bd1d561");
script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/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:N/S:U/C:N/I:H/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-2020-27149");
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:"2021/05/14");
script_set_attribute(attribute:"patch_publication_date", value:"2021/05/14");
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:nport_ia5150a_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:nport_ia5250a_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:nport_ia5450a_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) 2023-2024 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:nport_ia5150a_firmware" :
{"versionEndExcluding" : "1.5", "family" : "NPort"},
"cpe:/o:moxa:nport_ia5250a_firmware" :
{"versionEndExcluding" : "1.5", "family" : "NPort"},
"cpe:/o:moxa:nport_ia5450a_firmware" :
{"versionEndExcluding" : "2.0", "family" : "NPort"}
};
tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_WARNING);
Vendor | Product | Version | CPE |
---|---|---|---|
moxa | nport_ia5150a_firmware | cpe:/o:moxa:nport_ia5150a_firmware | |
moxa | nport_ia5250a_firmware | cpe:/o:moxa:nport_ia5250a_firmware | |
moxa | nport_ia5450a_firmware | cpe:/o:moxa:nport_ia5450a_firmware |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS
Percentile
22.7%