Vulnerability Name:

CVE-2021-34469 (CCN-204581)

Assigned:2021-07-13
Published:2021-07-13
Updated:2022-07-12
Summary:Microsoft Office Security Feature Bypass Vulnerability
CVSS v3 Severity:8.1 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
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): None
8.2 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N)
7.1 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/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): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:5.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
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:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-34469

Source: XF
Type: UNKNOWN
ms-office-cve202134469-sec-bypass(204581)

Source: CCN
Type: Microsoft Security TechCenter - July 2021
Microsoft Office Security Feature Bypass Vulnerability

Source: MISC
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34469

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

  • Configuration CCN 1:
  • cpe:/a:microsoft:office:2013:sp1:x32:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2013:sp1:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:office:2013:sp1:~~~rt~~:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2016:*:x32:*:*:*:*:*
  • OR cpe:/a:microsoft:office: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 office 2013 sp1
    microsoft office 2013 sp1
    microsoft office 2016
    microsoft office 2019
    microsoft 365 apps -
    microsoft office 2013 sp1
    microsoft office 2013 sp1
    microsoft office 2013 sp1
    microsoft office 2016
    microsoft office 2016
    microsoft office 2019
    microsoft office 2019
    microsoft 365 apps -