Vulnerability Name:

CVE-2018-8448 (CCN-150397)

Assigned:2018-10-09
Published:2018-10-09
Updated:2019-10-03
Summary:An elevation of privilege vulnerability exists when Microsoft Exchange Outlook Web Access (OWA) fails to properly handle web requests, aka "Microsoft Exchange Server Elevation of Privilege Vulnerability." This affects Microsoft Exchange Server.
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
7.0 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.1 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/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): High
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: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
6.0 Medium (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-79
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2018-8448

Source: BID
Type: Third Party Advisory, VDB Entry
105492

Source: CCN
Type: BID-105492
Microsoft Exchange Server CVE-2018-8448 Remote Privilege Escalation Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1041836

Source: XF
Type: UNKNOWN
ms-exchange-cve20188448-priv-esc(150397)

Source: CCN
Type: Microsoft Security TechCenter - October 2018
Microsoft Exchange Server Elevation of Privilege Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8448

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*

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

    • * Denotes that component is vulnerable
    BACK
    microsoft exchange server 2013 cumulative_update_21
    microsoft exchange server 2016 cumulative_update_10
    microsoft exchange server 2013 cumulative_update_21
    microsoft exchange server 2016 cumulative_update_10