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Apple Mac OS X Security Update (HT212804)

🗓️ 14 Sep 2021 00:00:00Reported by Copyright (C) 2021 Greenbone AGType 
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Apple Mac OS X Security Update (HT212804) prone to multiple vulnerabilities affecting versions 11.x through 11.5.2, allowing attackers to bypass security restrictions, execute arbitrary code, cause denial of service, and disclose sensitive information. Upgrade to version 11.6 or later

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# SPDX-FileCopyrightText: 2021 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.818523");
  script_version("2026-06-11T07:15:11+0000");
  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
  script_cve_id("CVE-2013-0340", "CVE-2021-22925", "CVE-2021-30811", "CVE-2021-30813",
                "CVE-2021-30819", "CVE-2021-30827", "CVE-2021-30828", "CVE-2021-30829",
                "CVE-2021-30830", "CVE-2021-30832", "CVE-2021-30834", "CVE-2021-30835",
                "CVE-2021-30838", "CVE-2021-30841", "CVE-2021-30842", "CVE-2021-30843",
                "CVE-2021-30844", "CVE-2021-30845", "CVE-2021-30847", "CVE-2021-30850",
                "CVE-2021-30853", "CVE-2021-30855", "CVE-2021-30857", "CVE-2021-30858",
                "CVE-2021-30859", "CVE-2021-30860", "CVE-2021-30864", "CVE-2021-30865",
                "CVE-2021-30925", "CVE-2021-30928", "CVE-2021-30933", "CVE-2021-31010");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2026-06-11 07:15:11 +0000 (Thu, 11 Jun 2026)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-03-25 16:49:00 +0000 (Fri, 25 Mar 2022)");
  script_tag(name:"creation_date", value:"2021-09-14 18:07:04 +0530 (Tue, 14 Sep 2021)");
  script_name("Apple Mac OS X Security Update (HT212804)");

  script_tag(name:"summary", value:"Apple Mac OS X is prone to multiple vulnerabilities.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present
  on the target host.");

  script_tag(name:"insight", value:"Please see the references for more information
  on the vulnerabilities.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers
  to bypass security restrictions, execute arbitrary code, cause denial of service
  and disclose sensitive information on an affected system.");

  script_tag(name:"affected", value:"Apple Mac OS X versions 11.x through 11.5.2");

  script_tag(name:"solution", value:"Upgrade to Apple Mac OS X 11.6 or later.
  Please see the references for more information.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");
  script_xref(name:"URL", value:"https://support.apple.com/en-us/HT212804");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("Mac OS X Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/osx_name", "ssh/login/osx_version");
  exit(0);
}

include("version_func.inc");
include("ssh_func.inc");

if(!osName = get_kb_item("ssh/login/osx_name"))
  exit(0);

osVer = get_kb_item("ssh/login/osx_version");
if(!osVer || osVer !~ "^11\." || "Mac OS X" >!< osName){
  exit(0);
}

if(version_in_range(version:osVer, test_version:"11.0", test_version2:"11.5.2"))
{
  report = report_fixed_ver(installed_version:osVer, fixed_version:"11.6");
  security_message(data:report);
  exit(0);
}

exit(99);

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11 Jun 2026 00:00Current
6.7Medium risk
Vulners AI Score6.7
CVSS 29.3
CVSS 3.18.8 - 9.1
EPSS0.75994
SSVC
31