Cisco Application Policy Infrastructure Controller Security Hardening Release: October 2026 (cisco-sa-hardening-apic-UOXWtfh)
10
#TRUSTED af601535bb128fa04e80295bfb98544eb2df4edcf40969b0a5c02c2ea65c459fe7a2cee78e3be8d5287976d34482b8374852d9ace1b3cf0ce33632e831acff88e5e02d04a6729116a829a239208bb4dcf7b8df79e6cccb094b03e4abeed4de4c4dc97c2cf93d59864a8a5110c4c72c3c6832cef402a53d75a0cb9ef23659cb7223c33d74dc278626de0d817d5ae9f45e2d252773fcec3dae81b00174837478dff633f13d952cf0006c8c76018d398cb5d96129309872dd08c2f4a8313570a9fd62b67f04924960fbc1664499a6dae565f800517df451b89cb0e8543d38b8978bb05687ec03ec20847e7e6da02e52cb7e653bf3f60cfa569ecf07ec4c7e2c6c76000776351bade1cfd18eeb8c6cd19700e769268bff1f6cf5ae169267d6c7fa3b8344c4c867085023311e1650fb32a060143f94408372eee47f5b57ceac1ab7907c4bc3d3beb0459e7094b1ad44cde01aef9d3314872d439b78f4272d962bc52dff567a4f3f5f5c4a909bb112b84e0a055a6001d513fe526f12e20cf9d91e1bf6c6bf296cfd44e63550844938700cd39ab4ae21b68adaca18ba94d3f9bb2d53512b82b61e244b6f4c0d1efe2d99b963322f6a38594d0470ad4f67f1b19926c7ecfae9e11ae5337f41c3cb5a9feb071b11dde23945ea7d2562f260cbba86ef697a22b0cda05225b52d784dc7198eea55f994ec9863f0b0074996ba3ecaf09cad2a
#TRUST-RSA-SHA256 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
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
{
script_id(364489);
script_version("1.2");
script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/12");
script_cve_id("CVE-2026-76498", "CVE-2026-76499", "CVE-2026-76500");
script_xref(name:"CISCO-SA", value:"cisco-sa-hardening-apic-UOXWtfh");
script_xref(name:"IAVA", value:"2026-A-1089");
script_name(english:"Cisco Application Policy Infrastructure Controller Security Hardening Release: October 2026 (cisco-sa-hardening-apic-UOXWtfh)");
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 Application Policy Infrastructure Controller (APIC) is affected by
multiple vulnerabilities.
- An input validation vulnerability exists in Cisco Application Policy Infrastructure Controller (APIC) due
to improper neutralization of user-supplied input. An authenticated, remote attacker can exploit this, via
a specially crafted request, to cause an unspecified impact on the affected device. (CVE-2026-76499)
- A privilege escalation vulnerability exists in Cisco Application Policy Infrastructure Controller (APIC)
due to improper access control. An authenticated, remote attacker can exploit this, via a specially crafted
request, to gain elevated privileges on the affected device. (CVE-2026-76498)
- A vulnerability exists in Cisco Application Policy Infrastructure Controller (APIC) due to improper control
of a resource through its lifetime. An authenticated, remote attacker can exploit this, via a specially
crafted request, to cause an unspecified impact on the affected device. (CVE-2026-76500)
Please see the included Cisco BIDs and Cisco Security Advisory for more information.");
# https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-apic-UOXWtfh
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?0fbb7c40");
script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco Security Advisory cisco-sa-hardening-apic-UOXWtfh.");
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:U/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:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-76500");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(284, 664, 707);
script_set_attribute(attribute:"vuln_publication_date", value:"2026/10/07");
script_set_attribute(attribute:"patch_publication_date", value:"2026/10/07");
script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/09");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:cisco:application_policy_infrastructure_controller");
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) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("cisco_apic_version.nbin");
script_require_keys("installed_sw/Cisco APIC Software");
exit(0);
}
include('ccf.inc');
include('http.inc');
var port = get_http_port(default:443);
var product_info = cisco::get_product_info(name:'Cisco APIC Software', port:port);
var vuln_ranges = [
{'min_ver': '0.0', 'fix_ver': '5.99', 'fix_display': 'See vendor advisory'},
{'min_ver': '6.0', 'fix_ver': '6.0(9h)'},
{'min_ver': '6.1', 'fix_ver': '6.1(6g)'},
{'min_ver': '6.2', 'fix_ver': '6.2(3g)'}
];
var reporting = make_array(
'port' , 0,
'severity' , SECURITY_HOLE,
'version' , product_info['version'],
'disable_caveat', TRUE
);
cisco::check_and_report(
product_info:product_info,
reporting:reporting,
vuln_ranges:vuln_ranges
);
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12 Oct 2026 00:00Current
8.4High risk
Vulners AI Score8.4
CVSS 3.19.8
EPSS0.00325
SSVC