Apple Mac OS X Security Updates (HT212147)-02
🗓️ 03 Feb 2021 00:00:00Reported by Copyright (C) 2021 Greenbone AGType
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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("1.3.6.1.4.1.25623.1.0.817904");
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-2021-1797", "CVE-2021-1760", "CVE-2021-1747", "CVE-2021-1799",
"CVE-2021-1759", "CVE-2021-1791", "CVE-2021-1783", "CVE-2021-1741",
"CVE-2021-1743", "CVE-2021-1773", "CVE-2021-1778", "CVE-2021-1779",
"CVE-2021-1757", "CVE-2021-1764", "CVE-2021-1762", "CVE-2019-20838",
"CVE-2020-14155", "CVE-2021-1769", "CVE-2021-1788", "CVE-2021-1765",
"CVE-2021-1801", "CVE-2021-1789", "CVE-2021-1871", "CVE-2021-1870",
"CVE-2021-30869", "CVE-2021-1781");
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:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-10-20 15:27:00 +0000 (Wed, 20 Oct 2021)");
script_tag(name:"creation_date", value:"2021-02-03 17:23:29 +0530 (Wed, 03 Feb 2021)");
script_name("Apple Mac OS X Security Updates (HT212147)-02");
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:"Multiple flaws exist due to:
- An improper port validation.
- An improper access restriction.
- An improper way of state handling.
- An improper memory management.
- An improper iframe sandbox enforcement.
- Multiple input validation errors.
- An improper bounds checking in multiple components.");
script_tag(name:"impact", value:"Successful exploitation will allow attackers
to cause arbitrary code execution, disclosure of sensitive information and
denial of service.");
script_tag(name:"affected", value:"Apple Mac OS X versions 11.x through 11.0.1");
script_tag(name:"solution", value:"Upgrade to Apple Mac OS X 11.2 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/HT212147");
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:"11.0.1"))
{
report = report_fixed_ver(installed_version:osVer, fixed_version:"11.2");
security_message(data:report);
exit(0);
}
exit(99);
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11 Jun 2026 00:00Current
7High risk
Vulners AI Score7
CVSS 29.3
CVSS 3.19.8
EPSS0.14479
SSVC