Vulnerability Name:

CVE-2020-17142 (CCN-192237)

Assigned:2020-12-08
Published:2020-12-08
Updated:2021-07-21
Summary:Microsoft Exchange Remote Code Execution Vulnerability This CVE ID is unique from CVE-2020-17117, CVE-2020-17132, CVE-2020-17141, CVE-2020-17144.
CVSS v3 Severity:9.1 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
7.9 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.1 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
7.9 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-94
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-17142

Source: XF
Type: UNKNOWN
ms-exchange-cve202017142-code-exec(192237)

Source: CCN
Type: Microsoft Security TechCenter - December 2020
Microsoft Exchange Remote Code Execution Vulnerability

Source: MISC
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17142

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    microsoft exchange server 2013 cumulative_update_23
    microsoft exchange server 2016 cumulative_update_17
    microsoft exchange server 2016 cumulative_update_18
    microsoft exchange server 2019 cumulative_update_6
    microsoft exchange server 2019 cumulative_update_7
    microsoft exchange server 2013 cumulative_update_23
    microsoft exchange server 2016 cumulative_update_17
    microsoft exchange server 2016 cumulative_update_18
    microsoft exchange server 2019 cumulative_update_6
    microsoft exchange server 2019 cumulative_update_7