CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
92.1%
The version of Unitronics VisiLogic installed on the remote host is prior to 9.9.00. It is, therefore, affected by a vulnerability.
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
{
script_id(191550);
script_version("1.0");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/05");
script_cve_id("CVE-2023-6448");
script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2023/12/18");
script_name(english:"Unitronics VisiLogic < 9.9.00 Default Password");
script_set_attribute(attribute:"synopsis", value:
"The remote host is missing a security update.");
script_set_attribute(attribute:"description", value:
"The version of Unitronics VisiLogic installed on the remote host is prior to 9.9.00. It is, therefore, affected by a
vulnerability.
- Unitronics VisiLogic before version 9.9.00, used in Vision and Samba PLCs and HMIs, uses a default
administrative password. An unauthenticated attacker with network access can take administrative control
of a vulnerable system. (CVE-2023-6448)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
#https://downloads.unitronicsplc.com/Sites/plc/Technical_Library/Unitronics-Cybersecurity-Advisory-2023-001-CVE-2023-6448.pdf
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ac4f25a5");
script_set_attribute(attribute:"solution", value:
"Upgrade Unitronics VisiLogic to version 9.9.00 and follow the remediation advice from the vendor advisory.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-6448");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2023/12/05");
script_set_attribute(attribute:"patch_publication_date", value:"2023/12/14");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/03/05");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:unitronics:visilogic_oplc_ide");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows");
script_copyright(english:"This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("unitronics_visilogic_win_installed.nbin");
script_require_keys("SMB/Registry/Enumerated", "installed_sw/Unitronics VisiLogic");
exit(0);
}
include('vcf.inc');
get_kb_item_or_exit('SMB/Registry/Enumerated');
var app_info = vcf::get_app_info(app:'Unitronics VisiLogic', win_local:TRUE);
var constraints = [
{ 'fixed_version' : '9.9.00' }
];
# Require paranoia as the vulnerablility is dependent on the project settings
# for PLC deployment and is not in the host application.
vcf::check_version_and_report(
app_info:app_info,
constraints:constraints,
severity:SECURITY_HOLE,
require_paranoia:TRUE
);
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
92.1%