Vulnerability Name:

CVE-2019-0588 (CCN-154941)

Assigned:2018-11-26
Published:2019-01-08
Updated:2020-08-24
Summary:An information disclosure vulnerability exists when the Microsoft Exchange PowerShell API grants calendar contributors more view permissions than intended, aka "Microsoft Exchange Information Disclosure Vulnerability." This affects Microsoft Exchange Server.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-732
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2019-0588

Source: BID
Type: Third Party Advisory, VDB Entry
106437

Source: XF
Type: UNKNOWN
ms-exchange-cve20190588-info-disc(154941)

Source: CCN
Type: Microsoft Security TechCenter - January 2019
Microsoft Exchange Information Disclosure Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0588

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:exchange_server:2010:sp3_rollup25:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2019:-:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2019:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    microsoft exchange server 2010 sp3_rollup25
    microsoft exchange server 2013 cumulative_update_21
    microsoft exchange server 2016 cumulative_update_10
    microsoft exchange server 2016 cumulative_update_11
    microsoft exchange server 2019 -
    microsoft exchange server 2013 cumulative_update_21
    microsoft exchange server 2016 cumulative_update_10
    microsoft exchange server 2019
    microsoft exchange server 2016 cumulative_update_11