Vulnerability Name:

CVE-2020-1442 (CCN-184277)

Assigned:2019-11-04
Published:2020-07-14
Updated:2020-07-21
Summary:A spoofing vulnerability exists when an Office Web Apps server does not properly sanitize a specially crafted request, aka 'Office Web Apps XSS Vulnerability'.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/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): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
5.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N)
5.2 Medium (CCN 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:H/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
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2020-1442

Source: XF
Type: UNKNOWN
ms-office-cve20201442-xss(184277)

Source: CCN
Type: Microsoft Security TechCenter - July 2020
Microsoft Office XSS Elevation of Privilege Vulnerability

Source: MISC
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1442

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:office_online_server:-:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_web_apps:2013:sp1:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:microsoft:office_web_apps:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_online_server:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    microsoft office online server -
    microsoft office web apps 2013 sp1
    microsoft office web apps 2013 sp1
    microsoft office online server -