CVE-2021-42305

Published on: 11/09/2021 12:00:00 AM UTC

Last Modified on: 11/15/2021 08:05:00 PM UTC

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

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

Microsoft Exchange Server Spoofing Vulnerability This CVE ID is unique from CVE-2021-41349.

  • CVE-2021-42305 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM 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: 6.5 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE REQUIRED
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE HIGH NONE

CVSS2 Score: 4.3 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE PARTIAL NONE

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-2021-42305

Related QID Numbers

  • 50117 Microsoft Exchange Server Spoofing Vulnerability - November 2021

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 @CVEreport CVE-2021-41349 : Microsoft Exchange Server Spoofing Vulnerability This CVE ID is unique from CVE-2021-42305.... cve.report/CVE-2021-41349 2021-11-10 00:56:57
Twitter Icon @CVEreport cve.report/CVE-2021-42305 Microsoft Exchange Server Spoofing Vulnerability This CVE ID is unique from CVE-2021-41349.... 2021-11-10 06:16:50
Reddit Logo Icon /r/exchangeserver November 2021 Patch Tuesday 2021-11-09 18:08:16
© CVE.report 2021 Twitter Nitter Twitter Viewer |

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