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kasperskyKaspersky LabKLA20226
HistoryFeb 14, 2023 - 12:00 a.m.

KLA20226 Multiple vulnerabilities in Microsoft System Center

2023-02-1400:00:00
Kaspersky Lab
threats.kaspersky.com
8
microsoft system center
security bypass
privilege escalation
microsoft defender for endpoint
microsoft defender for iot
remote exploit
cve-2023-21809
cve-2023-23379

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

21.9%

Multiple vulnerabilities were found in Microsoft System Center. Malicious users can exploit these vulnerabilities to bypass security restrictions, gain privileges.

Below is a complete list of vulnerabilities:

  1. A security feature bypass vulnerability in Microsoft Defender for Endpoint can be exploited remotely to bypass security restrictions.
  2. An elevation of privilege vulnerability in Microsoft Defender for IoT can be exploited remotely to gain privileges.

Original advisories

CVE-2023-21809

CVE-2023-23379

Related products

Microsoft-Defender-for-IoT

CVE list

CVE-2023-21809 critical

CVE-2023-23379 critical

KB list

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Impacts

  • SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

  • PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

Affected Products

  • Microsoft Defender Security Intelligence UpdatesMicrosoft Defender for IoT

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

21.9%