5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.6 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
38.7%
A CWE-807: Reliance on Untrusted Inputs in a Security Decision vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause invalid information displayed in Unity Pro software.
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(500234);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/24");
script_cve_id("CVE-2018-7850");
script_name(english:"Schneider Electric Modicon Reliance on Untrusted Inputs in a Security Decision (CVE-2018-7850)");
script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
script_set_attribute(attribute:"description", value:
"A CWE-807: Reliance on Untrusted Inputs in a Security Decision vulnerability exists in all versions of the Modicon M580,
Modicon M340, Modicon Quantum, and Modicon Premium which could cause invalid information displayed in Unity Pro
software.
This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more
information.");
# https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0743
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c0ded1b9");
# https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2019-134-11
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?a432fe19");
script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/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:N/UI:N/S:U/C:L/I:N/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-2018-7850");
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:"2019/05/22");
script_set_attribute(attribute:"patch_publication_date", value:"2019/05/22");
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:schneider-electric:modicon_m580_series_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:modicon_m340_series_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:modicon_quantum_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:modicon_premium_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/Schneider");
exit(0);
}
include('tenable_ot_cve_funcs.inc');
get_kb_item_or_exit('Tenable.ot/Schneider');
var asset = tenable_ot::assets::get(vendor:'Schneider');
var vuln_cpes = {
"cpe:/o:schneider-electric:modicon_m580_series_firmware" :
{"versionEndExcluding" : "2.90", "family" : "ModiconM580"},
"cpe:/o:schneider-electric:modicon_m340_series_firmware" :
{"versionEndExcluding" : "3.10", "family" : "ModiconM340"},
"cpe:/o:schneider-electric:modicon_quantum_firmware" :
{"family" : "QuantumUnity"},
"cpe:/o:schneider-electric:modicon_premium_firmware" :
{"family" : "Premium"}
};
tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_WARNING);
Vendor | Product | Version | CPE |
---|---|---|---|
schneider-electric | modicon_m580_series_firmware | cpe:/o:schneider-electric:modicon_m580_series_firmware | |
schneider-electric | modicon_m340_series_firmware | cpe:/o:schneider-electric:modicon_m340_series_firmware | |
schneider-electric | modicon_quantum_firmware | cpe:/o:schneider-electric:modicon_quantum_firmware | |
schneider-electric | modicon_premium_firmware | cpe:/o:schneider-electric:modicon_premium_firmware |
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.6 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
38.7%