Vulnerability Name:

CVE-2021-34468 (CCN-204579)

Assigned:2021-07-13
Published:2021-07-13
Updated:2021-07-19
Summary:Microsoft SharePoint Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34467, CVE-2021-34520.
CVSS v3 Severity:8.0 High (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.0 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.1 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:5.4 Medium (CVSS v2 Vector: AV:A/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.5 Medium (CCN CVSS v2 Vector: AV:A/AC:H/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-34468

Source: XF
Type: UNKNOWN
ms-sharepoint-cve202134468-code-exec(204579)

Source: CCN
Type: Microsoft Security TechCenter - July 2021
Microsoft SharePoint Server Remote Code Execution Vulnerability

Source: MISC
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34468

Source: CCN
Type: ZDI-21-829
Microsoft SharePoint CabUtility ExtractCab Directory Traversal Remote Code Execution Vulnerability

Source: MISC
Type: Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-829/

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

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

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