CVE-2020-16941: Microsoft SharePoint Information Disclosure Vulnerability

Overview

Severity
Medium (CVSS 4.1)
CVSS Vector
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
Category
Information Disclosure
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2020-Oct
Released
2020-10-13
EPSS Score
0.33% (percentile: 56.2%)

Description

An information disclosure vulnerability exists when Microsoft SharePoint Server improperly discloses its folder structure when rendering specific web pages. An attacker who took advantage of this information disclosure could view the folder path of scripts loaded on the page. To take advantage of the vulnerability, an attacker would require access to the specific SharePoint page affected by this vulnerability. The security update addresses the vulnerability by correcting how scripts are referenced on some SharePoint pages.

FAQ

What type of information could be disclosed by this vulnerability? The type of information that could be disclosed if an attacker successfully exploited this vulnerability is unauthorized file system access - reading from the file system.

Affected Products (4)

Other

  • 10950
  • 11585
  • 10505
  • 10612

Security Updates (4)

Acknowledgments

Markus Wulftange (@mwulftange)

Revision History

  • 2020-10-13: Information published.