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kasperskyKaspersky LabKLA20155
HistoryJan 10, 2023 - 12:00 a.m.

KLA20155 Multiple vulnerabilities in Microsoft Exchange Server

2023-01-1000:00:00
Kaspersky Lab
threats.kaspersky.com
49

8 High

CVSS3

Attack Vector

ADJACENT_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:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.4 High

AI Score

Confidence

High

5.2 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

59.9%

JSON

Detect date:

01/10/2023

Severity:

High

Description:

Multiple vulnerabilities were found in Microsoft Exchange Server. Malicious users can exploit these vulnerabilities to spoof user interface, gain privileges, obtain sensitive information.

Affected products:

Microsoft Exchange Server 2016 Cumulative Update 23
Microsoft Exchange Server 2019 Cumulative Update 12
Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft Exchange Server 2019 Cumulative Update 11

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-2023-21762
CVE-2023-21763
CVE-2023-21761
CVE-2023-21764
CVE-2023-21745

Impacts:

OSI

Related products:

Microsoft Exchange Server

CVE-IDS:

CVE-2023-217628.0Critical
CVE-2023-217637.8Critical
CVE-2023-217617.5Critical
CVE-2023-217647.8Critical
CVE-2023-217458.0Critical

KB list:

5022188
5022143
5022193

Microsoft official advisories:

References

Related

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nessus 1
mscve 5
prion 5
zdi 4
cnvd 2
cve 5
krebs 1
avleonov 1
qualysblog 1
thn 1
rapid7blog 1
mskb
mskb
Description of the security update for Microsoft Exchange Server 2019: January 10, 2023 (KB5022193)
2023-01-10 08:00:00
Description of the security update for Microsoft Exchange Server 2016: January 10, 2023 (KB5022143)
2023-01-10 08:00:00
Description of the security update for Microsoft Exchange Server 2013: January 10, 2023 (KB5022188)
2023-01-10 08:00:00
nessus
nessus
Security Updates for Microsoft Exchange Server (Jan 2023)
2023-01-11 00:00:00
mscve
mscve
Microsoft Exchange Server Elevation of Privilege Vulnerability
2023-01-10 08:00:00
Microsoft Exchange Server Elevation of Privilege Vulnerability
2023-01-10 08:00:00
Microsoft Exchange Server Information Disclosure Vulnerability
2023-01-10 08:00:00
prion
prion
Information disclosure
2023-01-10 22:15:00
Privilege escalation
2023-01-10 22:15:00
Spoofing
2023-01-10 22:15:00
zdi
zdi
Microsoft Exchange PowerShell Unsafe Reflection Information Disclosure Vulnerability
2023-01-18 00:00:00
Microsoft Exchange TorusUpdateInitialSessionState Uncontrolled Search Path Element Local Privilege Escalation Vulnerability
2023-01-18 00:00:00
Microsoft Exchange GetTorusCmdletConfigurationEntries Uncontrolled Search Path Element Local Privilege Escalation Vulnerability
2023-01-18 00:00:00
cnvd
cnvd
Microsoft Exchange Server Elevation of Privilege Vulnerability (CNVD-2023-51374)
2023-01-13 00:00:00
Microsoft Exchange Server Spoofing Vulnerability (CNVD-2023-51373)
2023-01-13 00:00:00
cve
cve
CVE-2023-21763
2023-01-10 22:15:19
CVE-2023-21761
2023-01-10 22:15:18
CVE-2023-21745
2023-01-10 22:15:18
krebs
krebs
Microsoft Patch Tuesday, January 2023 Edition
2023-01-10 22:28:55
avleonov
avleonov
Microsoft Patch Tuesday January 2023: ALPC EoP, Win Backup EoP, LocalPotato, Exchange, Remote RCEs
2023-01-13 14:14:26
qualysblog
qualysblog
The January 2023 Patch Tuesday Security Update Review
2023-01-10 21:09:08
thn
thn
Microsoft Issues January 2023 Patch Tuesday Updates, Warns of Zero-Day Exploit
2023-01-11 05:32:00
rapid7blog
rapid7blog
Patch Tuesday - January 2023
2023-01-10 22:32:55

8 High

CVSS3

Attack Vector

ADJACENT_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:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.4 High

AI Score

Confidence

High

5.2 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

59.9%

JSON
Related for KLA20155
mskb3nessus1mscve5prion5zdi4cnvd2cve5krebs1avleonov1qualysblog1thn1rapid7blog1