Vulnerability Name:

CVE-2021-36940 (CCN-206393)

Assigned:2021-08-10
Published:2021-08-10
Updated:2021-08-20
Summary:Microsoft SharePoint Server Spoofing Vulnerability
CVSS v3 Severity:4.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)
3.8 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
7.6 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N)
6.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-36940

Source: XF
Type: UNKNOWN
ms-sharepoint-cve202136940-spoofing(206393)

Source: CCN
Type: Microsoft Security TechCenter - August 2021
Microsoft SharePoint Server Spoofing Vulnerability

Source: N/A
Type: Patch, Vendor Advisory
N/A

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:sharepoint_enterprise_server:2016:-:*:*:*:*:*:*
  • OR cpe:/a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    microsoft sharepoint enterprise server 2013 sp1
    microsoft sharepoint enterprise server 2016
    microsoft sharepoint server 2019
    microsoft sharepoint enterprise server 2016 -
    microsoft sharepoint enterprise server 2013 sp1
    microsoft sharepoint server 2019