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nessusThis script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.SMB_NT_MS21_MAR_EXCHANGE_2010_OOB.NASL
HistoryMar 04, 2021 - 12:00 a.m.

Security Update for Microsoft Exchange Server 2010 SP 3 (March 2021)

2021-03-0400:00:00
This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
241

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.616

Percentile

97.8%

The Microsoft Exchange Server installed on the remote host is missing a security update. It is, therefore, affected by a vulnerability:

  • A remote code execution vulnerability. An attacker could exploit this to execute unauthorized arbitrary code. (CVE-2021-26857)
#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
##
# The descriptive text and package checks in this plugin were
# extracted from the Microsoft Security Updates API. The text
# itself is copyright (C) Microsoft Corporation.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(147024);
  script_version("1.13");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/04/25");

  script_cve_id("CVE-2021-26857");
  script_xref(name:"MSKB", value:"5000978");
  script_xref(name:"MSFT", value:"MS21-5000978");
  script_xref(name:"IAVA", value:"2021-A-0111-S");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2021/04/16");
  script_xref(name:"CISA-NCAS", value:"AA22-011A");
  script_xref(name:"CEA-ID", value:"CEA-2021-0014");
  script_xref(name:"CEA-ID", value:"CEA-2021-0018");
  script_xref(name:"CEA-ID", value:"CEA-2021-0013");

  script_name(english:"Security Update for Microsoft Exchange Server 2010 SP 3 (March 2021)");

  script_set_attribute(attribute:"synopsis", value:
"The Microsoft Exchange Server installed on the remote host is affected by
a remote code execution vulnerability.");
  script_set_attribute(attribute:"description", value:
"The Microsoft Exchange Server installed on the remote host
is missing a security update. It is, therefore, affected by
a vulnerability:

  - A remote code execution vulnerability. An attacker could exploit this to
  execute unauthorized arbitrary code. (CVE-2021-26857)");
  # https://support.microsoft.com/en-us/topic/description-of-the-security-update-for-microsoft-exchange-server-2010-service-pack-3-march-2-2021-kb5000978-894f27bf-281e-44f8-b9ba-dad705534459
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?75b72573");
  # https://msrc-blog.microsoft.com/2021/03/02/multiple-security-updates-released-for-exchange-server/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?fedb98e4");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released the following security update to address this issue:
  -KB5000978");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-26857");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"in_the_news", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/03/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/03/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/03/04");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:exchange_server");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows : Microsoft Bulletins");

  script_copyright(english:"This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ms_bulletin_checks_possible.nasl", "microsoft_exchange_installed.nbin");
  script_require_keys("SMB/MS_Bulletin_Checks/Possible");
  script_require_ports(139, 445, "Host/patch_management_checks");

  exit(0);
}

include('vcf_extras_microsoft.inc');

var app_info = vcf::microsoft::exchange::get_app_info();

var constraints =
[
  {
    'product' : '2010',
    'min_version': '14.3.0.0',
    'fixed_version': '14.03.513.0'
  }
];

vcf::microsoft::exchange::check_version_and_report
(
  app_info:app_info,
  bulletin:'MS21-03',
  constraints:constraints,
  severity:SECURITY_WARNING
);
VendorProductVersionCPE
microsoftexchange_servercpe:/a:microsoft:exchange_server

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.616

Percentile

97.8%