Palo Alto Networks PAN-OS 10.2.x / 11.1.x / 11.2.x / 12.1.x / 12.2.x Vulnerability

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(365672);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/16");

  script_cve_id("CVE-2026-0321");
  script_xref(name:"IAVA", value:"2026-A-1111");

  script_name(english:"Palo Alto Networks PAN-OS 10.2.x / 11.1.x / 11.2.x / 12.1.x / 12.2.x Vulnerability");

  script_set_attribute(attribute:"synopsis", value:
"The remote PAN-OS host is affected by a vulnerability");
  script_set_attribute(attribute:"description", value:
"The version of Palo Alto Networks PAN-OS running on the remote host is a vulnerable version of 10.2.x, 11.1.x, 11.2.x,
12.1.x, or 12.2.x. It is, therefore, affected by a vulnerability.

    Denial of service vulnerabilities in Palo Alto Networks PAN-OS software allow an unauthenticated attacker
    with network access to cause a denial of service (DoS) condition by sending specially crafted network
    traffic to or through a dataplane interface. Repeated attempts to trigger this condition result in the
    firewall entering maintenance mode.

    Cloud NGFW and Panorama are not affected by this vulnerability.



Tenable has extracted the preceding description block directly from the PAN-OS security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://security.paloaltonetworks.com/CVE-2026-0321");
  script_set_attribute(attribute:"solution", value:
"Upgrade to a fixed version");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:N/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_supplemental", value:"CVSS:4.0/AU:N/R:U/V:D/RE:M/U:Amber");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-0321");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(754);

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/10/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/10/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/14");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:paloaltonetworks:pan-os");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Palo Alto Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("palo_alto_version.nbin");
  script_require_keys("Host/Palo_Alto/Firewall/Version", "Host/Palo_Alto/Firewall/Full_Version", "Host/Palo_Alto/Firewall/Source", "Settings/ParanoidReport");

  exit(0);
}

include('vcf.inc');
include('vcf_extras.inc');

vcf::palo_alto::initialize();

var app_name = 'Palo Alto Networks PAN-OS';

var app_info = vcf::get_app_info(app:app_name, kb_ver:'Host/Palo_Alto/Firewall/Full_Version', kb_source:'Host/Palo_Alto/Firewall/Source');

if (report_paranoia < 2) audit(AUDIT_PARANOID);

var constraints = [
  { 'min_version' : '10.2.7', 'fixed_version' : '10.2.7-h38' },
  { 'min_version' : '10.2.10', 'fixed_version' : '10.2.10-h41' },
  { 'min_version' : '10.2.13', 'fixed_version' : '10.2.13-h26' },
  { 'min_version' : '10.2.16', 'fixed_version' : '10.2.16-h11' },
  { 'min_version' : '10.2.18', 'fixed_version' : '10.2.18-h12' },
  { 'min_version' : '11.1.4', 'fixed_version' : '11.1.4-h37' },
  { 'min_version' : '11.1.6', 'fixed_version' : '11.1.6-h39' },
  { 'min_version' : '11.1.7', 'fixed_version' : '11.1.7-h11' },
  { 'min_version' : '11.1.10', 'fixed_version' : '11.1.10-h35' },
  { 'min_version' : '11.1.13', 'fixed_version' : '11.1.13-h15' },
  { 'min_version' : '11.1.16', 'fixed_version' : '11.1.16-h3' },
  { 'min_version' : '11.2.4', 'fixed_version' : '11.2.4-h22' },
  { 'min_version' : '11.2.7', 'fixed_version' : '11.2.7-h21' },
  { 'min_version' : '11.2.10', 'fixed_version' : '11.2.10-h15' },
  { 'min_version' : '11.2.13', 'fixed_version' : '11.2.13-h3', 'fixed_display' : '11.2.13-h3 / 11.2.16' },
  { 'min_version' : '12.1.4', 'fixed_version' : '12.1.4-h12' },
  { 'min_version' : '12.1.7', 'fixed_version' : '12.1.7-h8' },
  { 'min_version' : '12.1.10', 'fixed_version' : '12.1.10-h2' },
  { 'min_version' : '12.2.0', 'fixed_version' : '12.2.4' }
];

vcf::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    severity:SECURITY_WARNING
);