CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
72.8%
Improper Input Validation vulnerability exists in the PowerChute Business Edition tool before version 9.1, which could cause remote code execution when a script is executed during a shutdown event.
Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.
##
# (C) Tenable Network Security, Inc.
##
include('compat.inc');
if (description)
{
script_id(144104);
script_version("1.2");
script_set_attribute(attribute:"plugin_modification_date", value:"2020/12/14");
script_cve_id("CVE-2020-7526");
script_xref(name:"IAVA", value:"2020-A-0574");
script_name(english:"PowerChute Business Edition < 9.1 RCE");
script_set_attribute(attribute:"synopsis", value:
"An energy management tool installed on the remote Windows
host is affected by local a remote code execution vulnerability.");
script_set_attribute(attribute:"description", value:
"Improper Input Validation vulnerability exists in the PowerChute Business Edition tool before
version 9.1, which could cause remote code execution when a script is executed during a shutdown event.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported
version number.");
# https://www.se.com/ww/en/download/document/SEVD-2020-224-05/
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?9e7e5cd7");
script_set_attribute(attribute:"solution", value:
"Upgrade to PowerChute Business Edition 9.1 or later.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/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:L/PR:L/UI:N/S:U/C:H/I:H/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-2020-7526");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/08/31");
script_set_attribute(attribute:"patch_publication_date", value:"2020/08/31");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/12/11");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:apc:powerchute");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows");
script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("se_powerchute_win_installed.nbin");
script_require_keys("installed_sw/PowerChute Business Edition", "SMB/Registry/Enumerated");
script_require_ports(139, 445);
exit(0);
}
include('vcf.inc');
get_kb_item_or_exit('SMB/Registry/Enumerated');
app_info = vcf::get_app_info(app:'PowerChute Business Edition');
constraints = [
{ 'fixed_version' : '9.1' }
];
vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
72.8%