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kasperskyKaspersky LabKLA12022
HistoryDec 08, 2020 - 12:00 a.m.

KLA12022 Multiple vulnerabilities in Microsoft Exchange Server

2020-12-0800:00:00
Kaspersky Lab
threats.kaspersky.com
44

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

9 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:C/I:C/A:C

0.343 Low

EPSS

Percentile

97.0%

JSON

Detect date:

12/08/2020

Severity:

Critical

Description:

Multiple vulnerabilities were found in Microsoft Exchange Server. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information.

Exploitation:

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

Affected products:

Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft Exchange Server 2016 Cumulative Update 18
Microsoft Exchange Server 2016 Cumulative Update 17
Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31
Microsoft Exchange Server 2019 Cumulative Update 7
Microsoft Exchange Server 2019 Cumulative Update 6

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-2020-17132
CVE-2020-17117
CVE-2020-17144
CVE-2020-17141
CVE-2020-17143
CVE-2020-17142

Impacts:

ACE

Related products:

Microsoft Exchange Server

CVE-IDS:

CVE-2020-171329.1Critical
CVE-2020-171176.6High
CVE-2020-171448.4Critical
CVE-2020-171418.4Critical
CVE-2020-171438.8Critical
CVE-2020-171429.1Critical

KB list:

4593466
4593465
4593467

Microsoft official advisories:

References

Related

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nessus
nessus
Security Updates for Microsoft Exchange Server (December 2020)
2020-12-08 00:00:00
Security Update for Microsoft Exchange Server 2010 SP 3 (December 2020)
2020-12-08 00:00:00
mskb
mskb
Description of the security update for Microsoft Exchange Server 2019 and 2016: December 8, 2020
2020-12-08 08:00:00
Description of the security update for Microsoft Exchange Server 2013: December 8, 2020
2020-12-08 08:00:00
Description of the security update for Microsoft Exchange Server 2010 Service Pack 3: December 8, 2020
2020-12-08 08:00:00
attackerkb
attackerkb
CVE-2020-17144
2020-12-10 00:00:00
CVE-2020-17132
2020-12-10 00:00:00
CVE-2020-16875
2020-09-11 00:00:00
srcincite
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SRC-2020-0033 : Microsoft Exchange Server ImportTransportRuleCollection ProcessE15Format Remote Code Execution Vulnerability
2020-12-05 00:00:00
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2020-10-02 00:00:00
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2020-04-22 00:00:00
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2022-02-23 05:39:00
prion
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Remote code execution
2020-12-10 00:15:00
Remote code execution
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Information disclosure
2020-12-10 00:15:00
mscve
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Microsoft Exchange Remote Code Execution Vulnerability
2020-12-08 08:00:00
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2020-12-08 08:00:00
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2020-12-08 08:00:00
cve
cve
CVE-2020-17117
2020-12-10 00:15:00
CVE-2020-17132
2020-12-10 00:15:00
CVE-2020-17142
2020-12-10 00:15:00
checkpoint_advisories
checkpoint_advisories
Microsoft Exchange Remote Code Execution (CVE-2020-17132)
2022-10-31 00:00:00
Microsoft Exchange Memory Corruption (CVE-2020-17144)
2020-12-08 00:00:00
githubexploit
githubexploit
Exploit for Deserialization of Untrusted Data in Microsoft
2020-12-09 20:57:16
Exploit for Deserialization of Untrusted Data in Microsoft
2020-12-09 10:30:16
cisa_kev
cisa_kev
Microsoft Exchange Server Remote Code Execution Vulnerability
2021-11-03 00:00:00
threatpost
threatpost
Microsoft Wraps Up a Lighter Patch Tuesday for the Holidays
2020-12-08 20:23:30
Kubernetes Used in Brute-Force Attacks Tied to Russia’s APT28
2021-07-02 16:14:14
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2022-02-25 01:31:27
Metasploit Wrap-Up
2021-02-12 19:26:37
Patch Tuesday - December 2020
2020-12-08 21:36:27
thn
thn
NSA, FBI Reveal Hacking Methods Used by Russian Military Hackers
2021-07-02 06:23:00
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2022-02-17 05:42:00
Microsoft Releases Windows Update (Dec 2020) to Fix 58 Security Flaws
2020-12-09 04:57:00
ics
ics
Russian State-Sponsored Cyber Actors Target Cleared Defense Contractor Networks to Obtain Sensitive U.S. Defense Information and Technology
2022-02-16 12:00:00
hivepro
hivepro
Russian state-sponsored cyber actors targeting U.S. critical infrastructure
2022-02-18 12:20:35
avleonov
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Vulristics Vulnerability Score, Automated Data Collection and Microsoft Patch Tuesdays Q4 2020
2021-01-11 01:50:44

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

9 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:C/I:C/A:C

0.343 Low

EPSS

Percentile

97.0%

JSON
Related for KLA12022
nessus2mskb3attackerkb3srcincite4qualysblog2prion6mscve10cve6checkpoint_advisories2githubexploit2cisa_kev1threatpost2rapid7blog3thn3ics1hivepro1avleonov1