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
AI Score
Confidence
High
EPSS
Percentile
29.8%
According to its self-reported version, Cisco Identity Services Engine is affected by an arbitrary file write vulnerability that can be exploited by a remote, authenticated attacker due to insufficient file input validation.
Please see the included Cisco BIDs and Cisco Security Advisory for more information.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
{
script_id(185899);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/12");
script_cve_id("CVE-2023-20272");
script_xref(name:"CISCO-BUG-ID", value:"CSCwc45768");
script_xref(name:"CISCO-SA", value:"cisco-sa-ise-mult-j-KxpNynR");
script_xref(name:"IAVA", value:"2023-A-0595-S");
script_name(english:"Cisco Identity Services Engine Arbitrary File Write (cisco-sa-ise-mult-j-KxpNynR)");
script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch.");
script_set_attribute(attribute:"description", value:
"According to its self-reported version, Cisco Identity Services Engine is affected by an arbitrary file write
vulnerability that can be exploited by a remote, authenticated attacker due to insufficient file input validation.
Please see the included Cisco BIDs and Cisco Security Advisory for more information.");
# https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-mult-j-KxpNynR
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?1686866a");
script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwc45768");
script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwc45768");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:C/I:C/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: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-2023-20272");
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:"2023/11/15");
script_set_attribute(attribute:"patch_publication_date", value:"2023/11/15");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/11/16");
script_set_attribute(attribute:"plugin_type", value:"combined");
script_set_attribute(attribute:"cpe", value:"cpe:/h:cisco:identity_services_engine");
script_set_attribute(attribute:"cpe", value:"cpe:/a:cisco:identity_services_engine");
script_set_attribute(attribute:"cpe", value:"cpe:/a:cisco:identity_services_engine_software");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"CISCO");
script_copyright(english:"This script is Copyright (C) 2023-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("cisco_ise_detect.nbin");
script_require_keys("Host/Cisco/ISE/version");
exit(0);
}
include('ccf.inc');
include('cisco_ise_func.inc');
var product_info = cisco::get_product_info(name:'Cisco Identity Services Engine Software');
var vuln_ranges = [
{'min_ver':'3.0', 'fix_ver':'3.0.0.458', required_patch:'8'},
{'min_ver':'3.1', 'fix_ver':'3.1.0.518', required_patch:'5'}
];
var required_patch = get_required_patch(vuln_ranges:vuln_ranges, version:product_info['version']);
if (empty_or_null(required_patch))
audit(AUDIT_HOST_NOT, 'affected');
var reporting = make_array(
'port' , 0,
'severity' , SECURITY_HOLE,
'version' , product_info['version'],
'bug_id' , 'CSCwc45768',
'disable_caveat', TRUE,
'fix' , 'See vendor advisory'
);
cisco::check_and_report(
product_info:product_info,
reporting:reporting,
vuln_ranges:vuln_ranges,
required_patch:required_patch
);
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
AI Score
Confidence
High
EPSS
Percentile
29.8%