Vulnerability Name:

CVE-2019-0817 (CCN-158753)

Assigned:2018-11-26
Published:2019-04-09
Updated:2020-04-09
Summary:A spoofing vulnerability exists in Microsoft Exchange Server when Outlook Web Access (OWA) fails to properly handle web requests, aka 'Microsoft Exchange Spoofing Vulnerability'. This CVE ID is unique from CVE-2019-0858.
CVSS v3 Severity:5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N)
4.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/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): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/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): Low
Integrity (I): Low
Availibility (A): Low
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
4.3 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-19
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-0817

Source: XF
Type: UNKNOWN
ms-exchange-cve20190817-spoofing(158753)

Source: CCN
Type: Microsoft Security TechCenter - April 2019
Microsoft Exchange Spoofing Vulnerability

Source: MISC
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0817

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:exchange_server:2010:sp3:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2019:-:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:exchange_server:2010:sp3:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2019:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2010:sp3_update_rollup_27:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    microsoft exchange server 2010 sp3
    microsoft exchange server 2013 cumulative_update_22
    microsoft exchange server 2016 cumulative_update_11
    microsoft exchange server 2016 cumulative_update_12
    microsoft exchange server 2019 -
    microsoft exchange server 2019 cumulative_update_1
    microsoft exchange server 2010 sp3
    microsoft exchange server 2019
    microsoft exchange server 2016 cumulative_update_11
    microsoft exchange server 2013 cumulative_update_22
    microsoft exchange server 2016 cumulative_update_12
    microsoft exchange server 2019 cumulative_update_1
    microsoft exchange server 2010 sp3_update_rollup_27