CVE-2022-21969

Published on: 01/11/2022 12:00:00 AM UTC

Last Modified on: 01/21/2022 02:09:00 PM UTC

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

Certain versions of Exchange Server from Microsoft contain the following vulnerability:

Microsoft Exchange Server Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2022-21846, CVE-2022-21855.

  • CVE-2022-21969 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as CRITICAL severity.
  • Affected Vendor/Software: URL Logo Microsoft - Microsoft Exchange Server 2013 version Cumulative Update 23
  • Affected Vendor/Software: URL Logo Microsoft - Microsoft Exchange Server 2016 Cumulative Update 21 version
  • Affected Vendor/Software: URL Logo Microsoft - Microsoft Exchange Server 2019 Cumulative Update 10 version
  • Affected Vendor/Software: URL Logo Microsoft - Microsoft Exchange Server 2016 Cumulative Update 22 version
  • Affected Vendor/Software: URL Logo Microsoft - Microsoft Exchange Server 2019 Cumulative Update 11 version

CVSS3 Score: 9 - CRITICAL

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
ADJACENT_NETWORK LOW LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
CHANGED HIGH HIGH HIGH

CVSS2 Score: 7.7 - HIGH

Access
Vector
Access
Complexity
Authentication
ADJACENT_NETWORK LOW SINGLE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
COMPLETE COMPLETE COMPLETE

CVE References

Description Tags Link
Security Update Guide - Microsoft Security Response Center portal.msrc.microsoft.com
text/html
URL Logo MISC portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21969

Related QID Numbers

  • 50118 Microsoft Exchange Server Remote Code Execution (RCE) Vulnerability for January 2022

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMicrosoftExchange Server2013cumulative_update_23AllAll
ApplicationMicrosoftExchange Server2016cumulative_update_21AllAll
ApplicationMicrosoftExchange Server2016cumulative_update_22AllAll
ApplicationMicrosoftExchange Server2019cumulative_update_10AllAll
ApplicationMicrosoftExchange Server2019cumulative_update_11AllAll
  • cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*:
  • cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:*:
  • cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:*:
  • cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:*:
  • cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @frycos msrc.microsoft.com/update-guide/v… I'll publish a blog post in a few days ( with special kudos to @peterjson and @testanull ) 2022-01-11 20:13:27
Twitter Icon @Robo_Alerts Potentially Critical CVE Detected! CVE-2022-21969 Description: Microsoft Exchange Server Remote Code Execution Vuln… twitter.com/i/web/status/1… 2022-01-11 21:55:57
Reddit Logo Icon /r/sysadmin 3x RCE vulnerabilities announced in Exchange Server 2013, 2016, 2019 - patch available 2022-01-11 19:41:35
Reddit Logo Icon /r/netcve CVE-2022-21969 2022-01-11 21:39:11
Reddit Logo Icon /r/blueteamsec Searching for Deserialization Protection Bypasses in Microsoft Exchange (CVE-2022–21969) 2022-01-13 06:45:13
© CVE.report 2022 Twitter Nitter Twitter Viewer |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report