Lucene search

K
kasperskyKaspersky LabKLA12069
HistoryFeb 09, 2021 - 12:00 a.m.

KLA12069 Multiple vulnerabilities in Microsoft Office

2021-02-0900:00:00
Kaspersky Lab
threats.kaspersky.com
14

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.065 Low

EPSS

Percentile

93.6%

Detect date:

02/09/2021

Severity:

High

Description:

Multiple vulnerabilities were found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, spoof user interface, cause denial of service, obtain sensitive information.

Exploitation:

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Affected products:

Skype for Business Server 2019 CU2
Microsoft Excel 2010 Service Pack 2 (64-bit editions)
Microsoft Excel 2013 Service Pack 1 (64-bit editions)
Microsoft Lync Server 2013
Microsoft SharePoint Server 2019
Microsoft Excel 2013 RT Service Pack 1
Microsoft SharePoint Foundation 2013 Service Pack 1
Microsoft Excel 2016 (32-bit edition)
Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft SharePoint Foundation 2010 Service Pack 2
Microsoft Office 2019 for 64-bit editions
Microsoft Office Online Server
Microsoft Teams for iOS
Microsoft Excel 2016 (64-bit edition)
Microsoft Office Web Apps Server 2013 Service Pack 1
Microsoft Office 2019 for 32-bit editions
Microsoft Excel 2013 Service Pack 1 (32-bit editions)
Skype for Business Server 2015 CU 8
Microsoft SharePoint Enterprise Server 2016
Microsoft Excel 2010 Service Pack 2 (32-bit editions)
Office Online Server
Microsoft 365 Apps for Enterprise for 64-bit Systems
Microsoft Office 2019 for Mac

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)

Original advisories:

CVE-2021-24066
CVE-2021-24069
CVE-2021-24072
CVE-2021-24073
CVE-2021-24067
CVE-2021-24070
CVE-2021-24099
CVE-2021-24071
CVE-2021-1726
CVE-2021-24068
CVE-2021-24114

Impacts:

ACE

Related products:

Microsoft Lync

CVE-IDS:

CVE-2021-240668.8Critical
CVE-2021-240697.8Critical
CVE-2021-240728.8Critical
CVE-2021-240736.5High
CVE-2021-240677.8Critical
CVE-2021-240707.8Critical
CVE-2021-240996.5High
CVE-2021-240715.3High
CVE-2021-17268.0Critical
CVE-2021-240687.8Critical
CVE-2021-241145.7High

KB list:

5000675
4493204
4493210
5000688
4493222
4493194
4493195
4493211
4493192
4493196
4493223

Microsoft official advisories:

References

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.065 Low

EPSS

Percentile

93.6%