Vulnerability Name:

CVE-2021-27056 (CCN-197273)

Assigned:2021-03-09
Published:2021-03-09
Updated:2021-03-23
Summary:Microsoft PowerPoint Remote Code Execution Vulnerability
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/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): Local
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
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/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): Local
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
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
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-2021-27056

Source: XF
Type: UNKNOWN
ms-powerpoint-cve202127056-code-exec(197273)

Source: CCN
Type: Microsoft Security TechCenter - March 2021
Microsoft PowerPoint Remote Code Execution Vulnerability

Source: MISC
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27056

Source: CCN
Type: ZDI-21-333
Microsoft PowerPoint PPTX File Parsing Use-After-Free Remote Code Execution Vulnerability

Source: MISC
Type: Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-333/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
  • OR cpe:/a:microsoft:office:2019:*:*:*:*:-:*:*
  • OR cpe:/a:microsoft:powerpoint:2010:sp2:*:*:*:*:*:*
  • OR cpe:/a:microsoft:powerpoint:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:powerpoint:2013:sp1:*:*:rt:*:*:*
  • OR cpe:/a:microsoft:powerpoint:2016:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:powerpoint:2010:sp2:*:*:*:*:x32:*
  • OR cpe:/a:microsoft:powerpoint:2010:sp2:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:powerpoint:2013:sp1:*:*:*:*:x32:*
  • OR cpe:/a:microsoft:powerpoint:2013:sp1:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:powerpoint:2013:sp1:~~rt~~~:*:*:*:*:*
  • OR cpe:/a:microsoft:powerpoint:2016:*:*:*:*:*:x32:*
  • OR cpe:/a:microsoft:powerpoint:2016:*:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:office:2019:*:~~~click-to-run~~:*:*:*:x32:*
  • OR cpe:/a:microsoft:office:2019:*:*:*:click-to-run:*:x64:*
  • OR cpe:/a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*

  • * Denotes that component is vulnerable
    BACK
    microsoft 365 apps -
    microsoft office 2019
    microsoft powerpoint 2010 sp2
    microsoft powerpoint 2013 sp1
    microsoft powerpoint 2013 sp1
    microsoft powerpoint 2016
    microsoft powerpoint 2010 sp2
    microsoft powerpoint 2010 sp2
    microsoft powerpoint 2013 sp1
    microsoft powerpoint 2013 sp1
    microsoft powerpoint 2013 sp1
    microsoft powerpoint 2016
    microsoft powerpoint 2016
    microsoft office 2019
    microsoft office 2019
    microsoft 365 apps -