Vulnerability Name:

CVE-2022-21888 (CCN-216297)

Assigned:2021-12-14
Published:2022-01-11
Updated:2022-05-23
Summary:Windows Modern Execution Server 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:9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
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-2022-21888

Source: XF
Type: UNKNOWN
ms-windows-cve202221888-code-exec(216297)

Source: CCN
Type: Microsoft Security TechCenter - January 2021
CVE-2022-21888 - Modernexecserver.dll Remote Code Execution Vulnerability

Source: MISC
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21888

Vulnerable Configuration:Configuration 1:
  • cpe:/o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*
  • OR cpe:/o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*
  • OR cpe:/o:microsoft:windows_10_1909:-:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_10_1909:-:*:*:*:*:*:arm64:*
  • OR cpe:/o:microsoft:windows_10_1909:-:*:*:*:*:*:x86:*
  • OR cpe:/o:microsoft:windows_10_20h2:-:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_10_20h2:-:*:*:*:*:*:arm64:*
  • OR cpe:/o:microsoft:windows_10_20h2:-:*:*:*:*:*:x86:*
  • OR cpe:/o:microsoft:windows_10_21h1:-:*:*:*:*:*:arm64:*
  • OR cpe:/o:microsoft:windows_10_21h1:-:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_10_21h1:-:*:*:*:*:*:x86:*
  • OR cpe:/o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*
  • OR cpe:/o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_10_21h2:-:*:*:*:*:*:x86:*
  • OR cpe:/o:microsoft:windows_11_21h2:10.0.22000.739:*:*:*:*:*:arm64:*
  • OR cpe:/o:microsoft:windows_11_21h2:10.0.22000.739:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server:20h2:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server:2022:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1809::~~~~x64~:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1809:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*
  • OR cpe:/o:microsoft:windows_10:1909:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_10_1909:-:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_10_1909:-:*:*:*:*:*:arm64:*
  • OR cpe:/o:microsoft:windows_10:20h2:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_10_20h2:-:*:*:*:*:*:arm64:*
  • OR cpe:/o:microsoft:windows_10_20h2:-:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server:20h2:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:21h1:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_10_21h1:-:*:*:*:*:*:arm64:*
  • OR cpe:/o:microsoft:windows_10_21h1:-:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server:2022:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server:2022:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_11_21h2:10.0.22000.739:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_11_21h2:10.0.22000.739:*:*:*:*:*:arm64:*
  • OR cpe:/o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*
  • OR cpe:/o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:*

    • * Denotes that component is vulnerable
    BACK
    microsoft windows server 2019 -
    microsoft windows 10 1809
    microsoft windows 10 1809
    microsoft windows 10 1809
    microsoft windows 10 1909
    microsoft windows 10 1909
    microsoft windows 10 1909
    microsoft windows 10 20h2
    microsoft windows 10 20h2
    microsoft windows 10 20h2
    microsoft windows 10 21h1
    microsoft windows 10 21h1
    microsoft windows 10 21h1
    microsoft windows 10 21h2
    microsoft windows 10 21h2
    microsoft windows 10 21h2
    microsoft windows 11 -
    microsoft windows 11 -
    microsoft windows server 20h2
    microsoft windows server 2022
    microsoft windows server 2019
    microsoft windows 10 1809
    microsoft windows 10 1809
    microsoft windows 10 1809
    microsoft windows 10 1909
    microsoft windows 10 1909
    microsoft windows 10 1909
    microsoft windows 10 20h2
    microsoft windows 10 20h2
    microsoft windows 10 20h2
    microsoft windows server 2019
    microsoft windows server 20h2
    microsoft windows 10 21h1
    microsoft windows 10 21h1
    microsoft windows 10 21h1
    microsoft windows server 2022
    microsoft windows server 2022
    microsoft windows 11 -
    microsoft windows 11 -
    microsoft windows 10 21h2
    microsoft windows 10 21h2